19956912

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 56148192

約数和(自身を除く): 36191280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 37, 48, 51, 68, 74, 102, 111, 136, 148, 204, 222, 272, 296, 408, 444, 592, 629, 661, 816, 888, 1258, 1322, 1776, 1887, 1983, 2516, 2644, 3774, 3966, 5032, 5288, 7548, 7932, 10064, 10576, 11237, 15096, 15864, 22474, 24457, 30192, 31728, 33711, 44948, 48914, 67422, 73371, 89896, 97828, 134844, 146742, 179792, 195656, 269688, 293484, 391312, 415769, 539376, 586968, 831538, 1173936, 1247307, 1663076, 2494614, 3326152, 4989228, 6652304, 9978456, 19956912]

約数ペア:

[(1, 19956912), (2, 9978456), (3, 6652304), (4, 4989228), (6, 3326152), (8, 2494614), (12, 1663076), (16, 1247307), (17, 1173936), (24, 831538), (34, 586968), (37, 539376), (48, 415769), (51, 391312), (68, 293484), (74, 269688), (102, 195656), (111, 179792), (136, 146742), (148, 134844), (204, 97828), (222, 89896), (272, 73371), (296, 67422), (408, 48914), (444, 44948), (592, 33711), (629, 31728), (661, 30192), (816, 24457), (888, 22474), (1258, 15864), (1322, 15096), (1776, 11237), (1887, 10576), (1983, 10064), (2516, 7932), (2644, 7548), (3774, 5288), (3966, 5032)]