19319718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 45474048

約数和(自身を除く): 26154330

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 67, 102, 134, 187, 201, 257, 374, 402, 514, 561, 737, 771, 1122, 1139, 1474, 1542, 2211, 2278, 2827, 3417, 4369, 4422, 5654, 6834, 8481, 8738, 12529, 13107, 16962, 17219, 25058, 26214, 34438, 37587, 48059, 51657, 75174, 96118, 103314, 144177, 189409, 288354, 292723, 378818, 568227, 585446, 878169, 1136454, 1756338, 3219953, 6439906, 9659859, 19319718]

約数ペア:

[(1, 19319718), (2, 9659859), (3, 6439906), (6, 3219953), (11, 1756338), (17, 1136454), (22, 878169), (33, 585446), (34, 568227), (51, 378818), (66, 292723), (67, 288354), (102, 189409), (134, 144177), (187, 103314), (201, 96118), (257, 75174), (374, 51657), (402, 48059), (514, 37587), (561, 34438), (737, 26214), (771, 25058), (1122, 17219), (1139, 16962), (1474, 13107), (1542, 12529), (2211, 8738), (2278, 8481), (2827, 6834), (3417, 5654), (4369, 4422)]