18437372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 35726880

約数和(自身を除く): 17289508

約数列:

[1, 2, 4, 19, 38, 41, 61, 76, 82, 97, 122, 164, 194, 244, 388, 779, 1159, 1558, 1843, 2318, 2501, 3116, 3686, 3977, 4636, 5002, 5917, 7372, 7954, 10004, 11834, 15908, 23668, 47519, 75563, 95038, 112423, 151126, 190076, 224846, 242597, 302252, 449692, 485194, 970388, 4609343, 9218686, 18437372]

約数ペア:

[(1, 18437372), (2, 9218686), (4, 4609343), (19, 970388), (38, 485194), (41, 449692), (61, 302252), (76, 242597), (82, 224846), (97, 190076), (122, 151126), (164, 112423), (194, 95038), (244, 75563), (388, 47519), (779, 23668), (1159, 15908), (1558, 11834), (1843, 10004), (2318, 7954), (2501, 7372), (3116, 5917), (3686, 5002), (3977, 4636)]