18351320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35291}}^1$

素因数の和:35315

約数の個数: 32

約数和(自身を含む): 44467920

約数和(自身を除く): 26116600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35291, 70582, 141164, 176455, 282328, 352910, 458783, 705820, 917566, 1411640, 1835132, 2293915, 3670264, 4587830, 9175660, 18351320]

約数ペア:

[(1, 18351320), (2, 9175660), (4, 4587830), (5, 3670264), (8, 2293915), (10, 1835132), (13, 1411640), (20, 917566), (26, 705820), (40, 458783), (52, 352910), (65, 282328), (104, 176455), (130, 141164), (260, 70582), (520, 35291)]