18493040

素因数分解:

$2^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{853}}^1$

素因数の和:1137

約数の個数: 40

約数和(自身を含む): 43205568

約数和(自身を除く): 24712528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 271, 542, 853, 1084, 1355, 1706, 2168, 2710, 3412, 4265, 4336, 5420, 6824, 8530, 10840, 13648, 17060, 21680, 34120, 68240, 231163, 462326, 924652, 1155815, 1849304, 2311630, 3698608, 4623260, 9246520, 18493040]

約数ペア:

[(1, 18493040), (2, 9246520), (4, 4623260), (5, 3698608), (8, 2311630), (10, 1849304), (16, 1155815), (20, 924652), (40, 462326), (80, 231163), (271, 68240), (542, 34120), (853, 21680), (1084, 17060), (1355, 13648), (1706, 10840), (2168, 8530), (2710, 6824), (3412, 5420), (4265, 4336)]