18149486568

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{20438611}}^1$

素因数の和:20438657

約数の個数: 32

約数和(自身を含む): 46600035360

約数和(自身を除く): 28450548792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 20438611, 40877222, 61315833, 81754444, 122631666, 163508888, 245263332, 490526664, 756228607, 1512457214, 2268685821, 3024914428, 4537371642, 6049828856, 9074743284, 18149486568]

約数ペア:

[(1, 18149486568), (2, 9074743284), (3, 6049828856), (4, 4537371642), (6, 3024914428), (8, 2268685821), (12, 1512457214), (24, 756228607), (37, 490526664), (74, 245263332), (111, 163508888), (148, 122631666), (222, 81754444), (296, 61315833), (444, 40877222), (888, 20438611)]