18440140

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5521}}^1$

素因数の和:5697

約数の個数: 24

約数和(自身を含む): 38963232

約数和(自身を除く): 20523092

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 5521, 11042, 22084, 27605, 55210, 110420, 922007, 1844014, 3688028, 4610035, 9220070, 18440140]

約数ペア:

[(1, 18440140), (2, 9220070), (4, 4610035), (5, 3688028), (10, 1844014), (20, 922007), (167, 110420), (334, 55210), (668, 27605), (835, 22084), (1670, 11042), (3340, 5521)]