18225558

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1189

約数の個数: 48

約数和(自身を含む): 43164576

約数和(自身を除く): 24939018

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1097, 1278, 1846, 2194, 2769, 3291, 5538, 6582, 8307, 9873, 14261, 16614, 19746, 28522, 42783, 77887, 85566, 128349, 155774, 233661, 256698, 467322, 700983, 1012531, 1401966, 2025062, 3037593, 6075186, 9112779, 18225558]

約数ペア:

[(1, 18225558), (2, 9112779), (3, 6075186), (6, 3037593), (9, 2025062), (13, 1401966), (18, 1012531), (26, 700983), (39, 467322), (71, 256698), (78, 233661), (117, 155774), (142, 128349), (213, 85566), (234, 77887), (426, 42783), (639, 28522), (923, 19746), (1097, 16614), (1278, 14261), (1846, 9873), (2194, 8307), (2769, 6582), (3291, 5538)]