18662218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 30623040

約数和(自身を除く): 11960822

約数列:

[1, 2, 19, 38, 61, 83, 97, 122, 166, 194, 1159, 1577, 1843, 2318, 3154, 3686, 5063, 5917, 8051, 10126, 11834, 16102, 96197, 112423, 152969, 192394, 224846, 305938, 491111, 982222, 9331109, 18662218]

約数ペア:

[(1, 18662218), (2, 9331109), (19, 982222), (38, 491111), (61, 305938), (83, 224846), (97, 192394), (122, 152969), (166, 112423), (194, 96197), (1159, 16102), (1577, 11834), (1843, 10126), (2318, 8051), (3154, 5917), (3686, 5063)]