18995655178

素因数分解:

$2^1\times {\mathrm{983}}^1\times {\mathrm{2081}}^1\times {\mathrm{4643}}^1$

素因数の和:7709

約数の個数: 16

約数和(自身を含む): 28542321216

約数和(自身を除く): 9546666038

約数列:

[1, 2, 983, 1966, 2081, 4162, 4643, 9286, 2045623, 4091246, 4564069, 9128138, 9662083, 19324166, 9497827589, 18995655178]

約数ペア:

[(1, 18995655178), (2, 9497827589), (983, 19324166), (1966, 9662083), (2081, 9128138), (4162, 4564069), (4643, 4091246), (9286, 2045623)]