12381858

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 27799200

約数和(自身を除く): 15417342

約数列:

[1, 2, 3, 6, 9, 18, 59, 89, 118, 131, 177, 178, 262, 267, 354, 393, 531, 534, 786, 801, 1062, 1179, 1602, 2358, 5251, 7729, 10502, 11659, 15458, 15753, 23187, 23318, 31506, 34977, 46374, 47259, 69561, 69954, 94518, 104931, 139122, 209862, 687881, 1375762, 2063643, 4127286, 6190929, 12381858]

約数ペア:

[(1, 12381858), (2, 6190929), (3, 4127286), (6, 2063643), (9, 1375762), (18, 687881), (59, 209862), (89, 139122), (118, 104931), (131, 94518), (177, 69954), (178, 69561), (262, 47259), (267, 46374), (354, 34977), (393, 31506), (531, 23318), (534, 23187), (786, 15753), (801, 15458), (1062, 11659), (1179, 10502), (1602, 7729), (2358, 5251)]