18221750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3169}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 35605440

約数和(自身を除く): 17383690

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3169, 5750, 6338, 15845, 31690, 72887, 79225, 145774, 158450, 364435, 396125, 728870, 792250, 1822175, 3644350, 9110875, 18221750]

約数ペア:

[(1, 18221750), (2, 9110875), (5, 3644350), (10, 1822175), (23, 792250), (25, 728870), (46, 396125), (50, 364435), (115, 158450), (125, 145774), (230, 79225), (250, 72887), (575, 31690), (1150, 15845), (2875, 6338), (3169, 5750)]