19216890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 192

約数和(自身を含む): 64696320

約数和(自身を除く): 45479430

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 47, 55, 59, 63, 66, 70, 77, 90, 94, 99, 105, 110, 118, 126, 141, 154, 165, 177, 198, 210, 231, 235, 282, 295, 315, 329, 330, 354, 385, 413, 423, 462, 470, 495, 517, 531, 590, 630, 649, 658, 693, 705, 770, 826, 846, 885, 987, 990, 1034, 1062, 1155, 1239, 1298, 1386, 1410, 1551, 1645, 1770, 1947, 1974, 2065, 2115, 2310, 2478, 2585, 2655, 2773, 2961, 3102, 3245, 3290, 3465, 3619, 3717, 3894, 4130, 4230, 4543, 4653, 4935, 5170, 5310, 5546, 5841, 5922, 6195, 6490, 6930, 7238, 7434, 7755, 8319, 9086, 9306, 9735, 9870, 10857, 11682, 12390, 13629, 13865, 14805, 15510, 16638, 18095, 18585, 19411, 19470, 21714, 22715, 23265, 24957, 27258, 27730, 29205, 29610, 30503, 32571, 36190, 37170, 38822, 40887, 41595, 45430, 46530, 49914, 54285, 58233, 58410, 61006, 65142, 68145, 81774, 83190, 91509, 97055, 108570, 116466, 124785, 136290, 152515, 162855, 174699, 183018, 194110, 204435, 213521, 249570, 274527, 291165, 305030, 325710, 349398, 408870, 427042, 457545, 549054, 582330, 640563, 873495, 915090, 1067605, 1281126, 1372635, 1746990, 1921689, 2135210, 2745270, 3202815, 3843378, 6405630, 9608445, 19216890]

約数ペア:

[(1, 19216890), (2, 9608445), (3, 6405630), (5, 3843378), (6, 3202815), (7, 2745270), (9, 2135210), (10, 1921689), (11, 1746990), (14, 1372635), (15, 1281126), (18, 1067605), (21, 915090), (22, 873495), (30, 640563), (33, 582330), (35, 549054), (42, 457545), (45, 427042), (47, 408870), (55, 349398), (59, 325710), (63, 305030), (66, 291165), (70, 274527), (77, 249570), (90, 213521), (94, 204435), (99, 194110), (105, 183018), (110, 174699), (118, 162855), (126, 152515), (141, 136290), (154, 124785), (165, 116466), (177, 108570), (198, 97055), (210, 91509), (231, 83190), (235, 81774), (282, 68145), (295, 65142), (315, 61006), (329, 58410), (330, 58233), (354, 54285), (385, 49914), (413, 46530), (423, 45430), (462, 41595), (470, 40887), (495, 38822), (517, 37170), (531, 36190), (590, 32571), (630, 30503), (649, 29610), (658, 29205), (693, 27730), (705, 27258), (770, 24957), (826, 23265), (846, 22715), (885, 21714), (987, 19470), (990, 19411), (1034, 18585), (1062, 18095), (1155, 16638), (1239, 15510), (1298, 14805), (1386, 13865), (1410, 13629), (1551, 12390), (1645, 11682), (1770, 10857), (1947, 9870), (1974, 9735), (2065, 9306), (2115, 9086), (2310, 8319), (2478, 7755), (2585, 7434), (2655, 7238), (2773, 6930), (2961, 6490), (3102, 6195), (3245, 5922), (3290, 5841), (3465, 5546), (3619, 5310), (3717, 5170), (3894, 4935), (4130, 4653), (4230, 4543)]