18674920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42443}}^1$

素因数の和:42465

約数の個数: 32

約数和(自身を含む): 45839520

約数和(自身を除く): 27164600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42443, 84886, 169772, 212215, 339544, 424430, 466873, 848860, 933746, 1697720, 1867492, 2334365, 3734984, 4668730, 9337460, 18674920]

約数ペア:

[(1, 18674920), (2, 9337460), (4, 4668730), (5, 3734984), (8, 2334365), (10, 1867492), (11, 1697720), (20, 933746), (22, 848860), (40, 466873), (44, 424430), (55, 339544), (88, 212215), (110, 169772), (220, 84886), (440, 42443)]