18028840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26513}}^1$

素因数の和:26541

約数の個数: 32

約数和(自身を含む): 42952680

約数和(自身を除く): 24923840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26513, 53026, 106052, 132565, 212104, 265130, 450721, 530260, 901442, 1060520, 1802884, 2253605, 3605768, 4507210, 9014420, 18028840]

約数ペア:

[(1, 18028840), (2, 9014420), (4, 4507210), (5, 3605768), (8, 2253605), (10, 1802884), (17, 1060520), (20, 901442), (34, 530260), (40, 450721), (68, 265130), (85, 212104), (136, 132565), (170, 106052), (340, 53026), (680, 26513)]