18958170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 58890240

約数和(自身を除く): 39932070

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 29, 30, 33, 35, 42, 55, 58, 66, 70, 77, 87, 105, 110, 145, 154, 165, 174, 203, 210, 231, 283, 290, 319, 330, 385, 406, 435, 462, 566, 609, 638, 770, 849, 870, 957, 1015, 1155, 1218, 1415, 1595, 1698, 1914, 1981, 2030, 2233, 2310, 2830, 3045, 3113, 3190, 3962, 4245, 4466, 4785, 5943, 6090, 6226, 6699, 8207, 8490, 9339, 9570, 9905, 11165, 11886, 13398, 15565, 16414, 18678, 19810, 21791, 22330, 24621, 29715, 31130, 33495, 41035, 43582, 46695, 49242, 57449, 59430, 65373, 66990, 82070, 90277, 93390, 108955, 114898, 123105, 130746, 172347, 180554, 217910, 246210, 270831, 287245, 326865, 344694, 451385, 541662, 574490, 631939, 653730, 861735, 902770, 1263878, 1354155, 1723470, 1895817, 2708310, 3159695, 3791634, 6319390, 9479085, 18958170]

約数ペア:

[(1, 18958170), (2, 9479085), (3, 6319390), (5, 3791634), (6, 3159695), (7, 2708310), (10, 1895817), (11, 1723470), (14, 1354155), (15, 1263878), (21, 902770), (22, 861735), (29, 653730), (30, 631939), (33, 574490), (35, 541662), (42, 451385), (55, 344694), (58, 326865), (66, 287245), (70, 270831), (77, 246210), (87, 217910), (105, 180554), (110, 172347), (145, 130746), (154, 123105), (165, 114898), (174, 108955), (203, 93390), (210, 90277), (231, 82070), (283, 66990), (290, 65373), (319, 59430), (330, 57449), (385, 49242), (406, 46695), (435, 43582), (462, 41035), (566, 33495), (609, 31130), (638, 29715), (770, 24621), (849, 22330), (870, 21791), (957, 19810), (1015, 18678), (1155, 16414), (1218, 15565), (1415, 13398), (1595, 11886), (1698, 11165), (1914, 9905), (1981, 9570), (2030, 9339), (2233, 8490), (2310, 8207), (2830, 6699), (3045, 6226), (3113, 6090), (3190, 5943), (3962, 4785), (4245, 4466)]