18900948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 50047200

約数和(自身を除く): 31146252

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 124, 132, 149, 186, 298, 341, 372, 447, 596, 682, 894, 961, 1023, 1364, 1639, 1788, 1922, 2046, 2883, 3278, 3844, 4092, 4619, 4917, 5766, 6556, 9238, 9834, 10571, 11532, 13857, 18476, 19668, 21142, 27714, 31713, 42284, 50809, 55428, 63426, 101618, 126852, 143189, 152427, 203236, 286378, 304854, 429567, 572756, 609708, 859134, 1575079, 1718268, 3150158, 4725237, 6300316, 9450474, 18900948]

約数ペア:

[(1, 18900948), (2, 9450474), (3, 6300316), (4, 4725237), (6, 3150158), (11, 1718268), (12, 1575079), (22, 859134), (31, 609708), (33, 572756), (44, 429567), (62, 304854), (66, 286378), (93, 203236), (124, 152427), (132, 143189), (149, 126852), (186, 101618), (298, 63426), (341, 55428), (372, 50809), (447, 42284), (596, 31713), (682, 27714), (894, 21142), (961, 19668), (1023, 18476), (1364, 13857), (1639, 11532), (1788, 10571), (1922, 9834), (2046, 9238), (2883, 6556), (3278, 5766), (3844, 4917), (4092, 4619)]