18269240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41521}}^1$

素因数の和:41543

約数の個数: 32

約数和(自身を含む): 44843760

約数和(自身を除く): 26574520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41521, 83042, 166084, 207605, 332168, 415210, 456731, 830420, 913462, 1660840, 1826924, 2283655, 3653848, 4567310, 9134620, 18269240]

約数ペア:

[(1, 18269240), (2, 9134620), (4, 4567310), (5, 3653848), (8, 2283655), (10, 1826924), (11, 1660840), (20, 913462), (22, 830420), (40, 456731), (44, 415210), (55, 332168), (88, 207605), (110, 166084), (220, 83042), (440, 41521)]