18683720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42463}}^1$

素因数の和:42485

約数の個数: 32

約数和(自身を含む): 45861120

約数和(自身を除く): 27177400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42463, 84926, 169852, 212315, 339704, 424630, 467093, 849260, 934186, 1698520, 1868372, 2335465, 3736744, 4670930, 9341860, 18683720]

約数ペア:

[(1, 18683720), (2, 9341860), (4, 4670930), (5, 3736744), (8, 2335465), (10, 1868372), (11, 1698520), (20, 934186), (22, 849260), (40, 467093), (44, 424630), (55, 339704), (88, 212315), (110, 169852), (220, 84926), (440, 42463)]