18349640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5527}}^1$

素因数の和:5621

約数の個数: 32

約数和(自身を含む): 41791680

約数和(自身を除く): 23442040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5527, 11054, 22108, 27635, 44216, 55270, 110540, 221080, 458741, 917482, 1834964, 2293705, 3669928, 4587410, 9174820, 18349640]

約数ペア:

[(1, 18349640), (2, 9174820), (4, 4587410), (5, 3669928), (8, 2293705), (10, 1834964), (20, 917482), (40, 458741), (83, 221080), (166, 110540), (332, 55270), (415, 44216), (664, 27635), (830, 22108), (1660, 11054), (3320, 5527)]