19747360

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1487}}^1$

素因数の和:1585

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 27499616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1487, 1660, 2656, 2974, 3320, 5948, 6640, 7435, 11896, 13280, 14870, 23792, 29740, 47584, 59480, 118960, 123421, 237920, 246842, 493684, 617105, 987368, 1234210, 1974736, 2468420, 3949472, 4936840, 9873680, 19747360]

約数ペア:

[(1, 19747360), (2, 9873680), (4, 4936840), (5, 3949472), (8, 2468420), (10, 1974736), (16, 1234210), (20, 987368), (32, 617105), (40, 493684), (80, 246842), (83, 237920), (160, 123421), (166, 118960), (332, 59480), (415, 47584), (664, 29740), (830, 23792), (1328, 14870), (1487, 13280), (1660, 11896), (2656, 7435), (2974, 6640), (3320, 5948)]