18987131200

素因数分解:

$2^6\times 5^2\times {\mathrm{277}}^1\times {\mathrm{42841}}^1$

素因数の和:43140

約数の個数: 84

約数和(自身を含む): 46889969212

約数和(自身を除く): 27902838012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 277, 320, 400, 554, 800, 1108, 1385, 1600, 2216, 2770, 4432, 5540, 6925, 8864, 11080, 13850, 17728, 22160, 27700, 42841, 44320, 55400, 85682, 88640, 110800, 171364, 214205, 221600, 342728, 428410, 443200, 685456, 856820, 1071025, 1370912, 1713640, 2142050, 2741824, 3427280, 4284100, 6854560, 8568200, 11866957, 13709120, 17136400, 23733914, 34272800, 47467828, 59334785, 68545600, 94935656, 118669570, 189871312, 237339140, 296673925, 379742624, 474678280, 593347850, 759485248, 949356560, 1186695700, 1898713120, 2373391400, 3797426240, 4746782800, 9493565600, 18987131200]

約数ペア:

[(1, 18987131200), (2, 9493565600), (4, 4746782800), (5, 3797426240), (8, 2373391400), (10, 1898713120), (16, 1186695700), (20, 949356560), (25, 759485248), (32, 593347850), (40, 474678280), (50, 379742624), (64, 296673925), (80, 237339140), (100, 189871312), (160, 118669570), (200, 94935656), (277, 68545600), (320, 59334785), (400, 47467828), (554, 34272800), (800, 23733914), (1108, 17136400), (1385, 13709120), (1600, 11866957), (2216, 8568200), (2770, 6854560), (4432, 4284100), (5540, 3427280), (6925, 2741824), (8864, 2142050), (11080, 1713640), (13850, 1370912), (17728, 1071025), (22160, 856820), (27700, 685456), (42841, 443200), (44320, 428410), (55400, 342728), (85682, 221600), (88640, 214205), (110800, 171364)]