18484960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8887}}^1$

素因数の和:8915

約数の個数: 48

約数和(自身を含む): 47035296

約数和(自身を除く): 28550336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8887, 17774, 35548, 44435, 71096, 88870, 115531, 142192, 177740, 231062, 284384, 355480, 462124, 577655, 710960, 924248, 1155310, 1421920, 1848496, 2310620, 3696992, 4621240, 9242480, 18484960]

約数ペア:

[(1, 18484960), (2, 9242480), (4, 4621240), (5, 3696992), (8, 2310620), (10, 1848496), (13, 1421920), (16, 1155310), (20, 924248), (26, 710960), (32, 577655), (40, 462124), (52, 355480), (65, 284384), (80, 231062), (104, 177740), (130, 142192), (160, 115531), (208, 88870), (260, 71096), (416, 44435), (520, 35548), (1040, 17774), (2080, 8887)]