18767896

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 43776000

約数和(自身を除く): 25008104

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 569, 589, 868, 1064, 1138, 1178, 1736, 2276, 2356, 3983, 4123, 4552, 4712, 7966, 8246, 10811, 15932, 16492, 17639, 21622, 31864, 32984, 35278, 43244, 70556, 75677, 86488, 123473, 141112, 151354, 246946, 302708, 335141, 493892, 605416, 670282, 987784, 1340564, 2345987, 2681128, 4691974, 9383948, 18767896]

約数ペア:

[(1, 18767896), (2, 9383948), (4, 4691974), (7, 2681128), (8, 2345987), (14, 1340564), (19, 987784), (28, 670282), (31, 605416), (38, 493892), (56, 335141), (62, 302708), (76, 246946), (124, 151354), (133, 141112), (152, 123473), (217, 86488), (248, 75677), (266, 70556), (434, 43244), (532, 35278), (569, 32984), (589, 31864), (868, 21622), (1064, 17639), (1138, 16492), (1178, 15932), (1736, 10811), (2276, 8246), (2356, 7966), (3983, 4712), (4123, 4552)]