19743570

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 216

約数和(自身を含む): 67410252

約数和(自身を除く): 47666682

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 37, 42, 45, 49, 55, 63, 66, 70, 74, 77, 90, 98, 99, 105, 110, 111, 121, 126, 147, 154, 165, 185, 198, 210, 222, 231, 242, 245, 259, 294, 315, 330, 333, 363, 370, 385, 407, 441, 462, 490, 495, 518, 539, 555, 605, 630, 666, 693, 726, 735, 770, 777, 814, 847, 882, 990, 1078, 1089, 1110, 1155, 1210, 1221, 1295, 1386, 1470, 1554, 1617, 1665, 1694, 1813, 1815, 2035, 2178, 2205, 2310, 2331, 2442, 2541, 2590, 2695, 2849, 3234, 3330, 3465, 3626, 3630, 3663, 3885, 4070, 4235, 4410, 4477, 4662, 4851, 5082, 5390, 5439, 5445, 5698, 5929, 6105, 6930, 7326, 7623, 7770, 8085, 8470, 8547, 8954, 9065, 9702, 10878, 10890, 11655, 11858, 12210, 12705, 13431, 14245, 15246, 16170, 16317, 17094, 17787, 18130, 18315, 19943, 22385, 23310, 24255, 25410, 25641, 26862, 27195, 28490, 29645, 31339, 32634, 35574, 36630, 38115, 39886, 40293, 42735, 44770, 48510, 51282, 53361, 54390, 59290, 59829, 62678, 67155, 76230, 80586, 81585, 85470, 88935, 94017, 99715, 106722, 119658, 128205, 134310, 156695, 163170, 177870, 179487, 188034, 199430, 201465, 219373, 256410, 266805, 282051, 299145, 313390, 358974, 402930, 438746, 470085, 533610, 564102, 598290, 658119, 897435, 940170, 1096865, 1316238, 1410255, 1794870, 1974357, 2193730, 2820510, 3290595, 3948714, 6581190, 9871785, 19743570]

約数ペア:

[(1, 19743570), (2, 9871785), (3, 6581190), (5, 3948714), (6, 3290595), (7, 2820510), (9, 2193730), (10, 1974357), (11, 1794870), (14, 1410255), (15, 1316238), (18, 1096865), (21, 940170), (22, 897435), (30, 658119), (33, 598290), (35, 564102), (37, 533610), (42, 470085), (45, 438746), (49, 402930), (55, 358974), (63, 313390), (66, 299145), (70, 282051), (74, 266805), (77, 256410), (90, 219373), (98, 201465), (99, 199430), (105, 188034), (110, 179487), (111, 177870), (121, 163170), (126, 156695), (147, 134310), (154, 128205), (165, 119658), (185, 106722), (198, 99715), (210, 94017), (222, 88935), (231, 85470), (242, 81585), (245, 80586), (259, 76230), (294, 67155), (315, 62678), (330, 59829), (333, 59290), (363, 54390), (370, 53361), (385, 51282), (407, 48510), (441, 44770), (462, 42735), (490, 40293), (495, 39886), (518, 38115), (539, 36630), (555, 35574), (605, 32634), (630, 31339), (666, 29645), (693, 28490), (726, 27195), (735, 26862), (770, 25641), (777, 25410), (814, 24255), (847, 23310), (882, 22385), (990, 19943), (1078, 18315), (1089, 18130), (1110, 17787), (1155, 17094), (1210, 16317), (1221, 16170), (1295, 15246), (1386, 14245), (1470, 13431), (1554, 12705), (1617, 12210), (1665, 11858), (1694, 11655), (1813, 10890), (1815, 10878), (2035, 9702), (2178, 9065), (2205, 8954), (2310, 8547), (2331, 8470), (2442, 8085), (2541, 7770), (2590, 7623), (2695, 7326), (2849, 6930), (3234, 6105), (3330, 5929), (3465, 5698), (3626, 5445), (3630, 5439), (3663, 5390), (3885, 5082), (4070, 4851), (4235, 4662), (4410, 4477)]