18816200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7237}}^1$

素因数の和:7266

約数の個数: 48

約数和(自身を含む): 47119380

約数和(自身を除く): 28303180

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 7237, 14474, 28948, 36185, 57896, 72370, 94081, 144740, 180925, 188162, 289480, 361850, 376324, 470405, 723700, 752648, 940810, 1447400, 1881620, 2352025, 3763240, 4704050, 9408100, 18816200]

約数ペア:

[(1, 18816200), (2, 9408100), (4, 4704050), (5, 3763240), (8, 2352025), (10, 1881620), (13, 1447400), (20, 940810), (25, 752648), (26, 723700), (40, 470405), (50, 376324), (52, 361850), (65, 289480), (100, 188162), (104, 180925), (130, 144740), (200, 94081), (260, 72370), (325, 57896), (520, 36185), (650, 28948), (1300, 14474), (2600, 7237)]