18113680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17417}}^1$

素因数の和:17443

約数の個数: 40

約数和(自身を含む): 45356472

約数和(自身を除く): 27242792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17417, 34834, 69668, 87085, 139336, 174170, 226421, 278672, 348340, 452842, 696680, 905684, 1132105, 1393360, 1811368, 2264210, 3622736, 4528420, 9056840, 18113680]

約数ペア:

[(1, 18113680), (2, 9056840), (4, 4528420), (5, 3622736), (8, 2264210), (10, 1811368), (13, 1393360), (16, 1132105), (20, 905684), (26, 696680), (40, 452842), (52, 348340), (65, 278672), (80, 226421), (104, 174170), (130, 139336), (208, 87085), (260, 69668), (520, 34834), (1040, 17417)]