18183640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5477}}^1$

素因数の和:5571

約数の個数: 32

約数和(自身を含む): 41413680

約数和(自身を除く): 23230040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5477, 10954, 21908, 27385, 43816, 54770, 109540, 219080, 454591, 909182, 1818364, 2272955, 3636728, 4545910, 9091820, 18183640]

約数ペア:

[(1, 18183640), (2, 9091820), (4, 4545910), (5, 3636728), (8, 2272955), (10, 1818364), (20, 909182), (40, 454591), (83, 219080), (166, 109540), (332, 54770), (415, 43816), (664, 27385), (830, 21908), (1660, 10954), (3320, 5477)]