18358860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23537}}^1$

素因数の和:23562

約数の個数: 48

約数和(自身を含む): 55361376

約数和(自身を除く): 37002516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23537, 47074, 70611, 94148, 117685, 141222, 235370, 282444, 305981, 353055, 470740, 611962, 706110, 917943, 1223924, 1412220, 1529905, 1835886, 3059810, 3671772, 4589715, 6119620, 9179430, 18358860]

約数ペア:

[(1, 18358860), (2, 9179430), (3, 6119620), (4, 4589715), (5, 3671772), (6, 3059810), (10, 1835886), (12, 1529905), (13, 1412220), (15, 1223924), (20, 917943), (26, 706110), (30, 611962), (39, 470740), (52, 353055), (60, 305981), (65, 282444), (78, 235370), (130, 141222), (156, 117685), (195, 94148), (260, 70611), (390, 47074), (780, 23537)]