18956900

素因数分解:

$2^2\times 5^2\times {\mathrm{163}}^1\times {\mathrm{1163}}^1$

素因数の和:1340

約数の個数: 36

約数和(自身を含む): 41424432

約数和(自身を除く): 22467532

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 163, 326, 652, 815, 1163, 1630, 2326, 3260, 4075, 4652, 5815, 8150, 11630, 16300, 23260, 29075, 58150, 116300, 189569, 379138, 758276, 947845, 1895690, 3791380, 4739225, 9478450, 18956900]

約数ペア:

[(1, 18956900), (2, 9478450), (4, 4739225), (5, 3791380), (10, 1895690), (20, 947845), (25, 758276), (50, 379138), (100, 189569), (163, 116300), (326, 58150), (652, 29075), (815, 23260), (1163, 16300), (1630, 11630), (2326, 8150), (3260, 5815), (4075, 4652)]