18712964

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{659}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 34003200

約数和(自身を除く): 15290236

約数列:

[1, 2, 4, 31, 62, 124, 229, 458, 659, 916, 1318, 2636, 7099, 14198, 20429, 28396, 40858, 81716, 150911, 301822, 603644, 4678241, 9356482, 18712964]

約数ペア:

[(1, 18712964), (2, 9356482), (4, 4678241), (31, 603644), (62, 301822), (124, 150911), (229, 81716), (458, 40858), (659, 28396), (916, 20429), (1318, 14198), (2636, 7099)]