19309520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{4091}}^1$

素因数の和:4163

約数の個数: 40

約数和(自身を含む): 45666720

約数和(自身を除く): 26357200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4091, 4720, 8182, 16364, 20455, 32728, 40910, 65456, 81820, 163640, 241369, 327280, 482738, 965476, 1206845, 1930952, 2413690, 3861904, 4827380, 9654760, 19309520]

約数ペア:

[(1, 19309520), (2, 9654760), (4, 4827380), (5, 3861904), (8, 2413690), (10, 1930952), (16, 1206845), (20, 965476), (40, 482738), (59, 327280), (80, 241369), (118, 163640), (236, 81820), (295, 65456), (472, 40910), (590, 32728), (944, 20455), (1180, 16364), (2360, 8182), (4091, 4720)]