18962180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11423}}^1$

素因数の和:11515

約数の個数: 24

約数和(自身を含む): 40303872

約数和(自身を除く): 21341692

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11423, 22846, 45692, 57115, 114230, 228460, 948109, 1896218, 3792436, 4740545, 9481090, 18962180]

約数ペア:

[(1, 18962180), (2, 9481090), (4, 4740545), (5, 3792436), (10, 1896218), (20, 948109), (83, 228460), (166, 114230), (332, 57115), (415, 45692), (830, 22846), (1660, 11423)]