18442720

素因数分解:

$2^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1579}}^1$

素因数の和:1667

約数の個数: 48

約数和(自身を含む): 44195760

約数和(自身を除く): 25753040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 73, 80, 146, 160, 292, 365, 584, 730, 1168, 1460, 1579, 2336, 2920, 3158, 5840, 6316, 7895, 11680, 12632, 15790, 25264, 31580, 50528, 63160, 115267, 126320, 230534, 252640, 461068, 576335, 922136, 1152670, 1844272, 2305340, 3688544, 4610680, 9221360, 18442720]

約数ペア:

[(1, 18442720), (2, 9221360), (4, 4610680), (5, 3688544), (8, 2305340), (10, 1844272), (16, 1152670), (20, 922136), (32, 576335), (40, 461068), (73, 252640), (80, 230534), (146, 126320), (160, 115267), (292, 63160), (365, 50528), (584, 31580), (730, 25264), (1168, 15790), (1460, 12632), (1579, 11680), (2336, 7895), (2920, 6316), (3158, 5840)]