18545930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 17596918

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 331, 431, 662, 862, 1655, 2155, 3310, 4303, 4310, 5603, 8606, 11206, 21515, 28015, 43030, 56030, 142661, 285322, 713305, 1426610, 1854593, 3709186, 9272965, 18545930]

約数ペア:

[(1, 18545930), (2, 9272965), (5, 3709186), (10, 1854593), (13, 1426610), (26, 713305), (65, 285322), (130, 142661), (331, 56030), (431, 43030), (662, 28015), (862, 21515), (1655, 11206), (2155, 8606), (3310, 5603), (4303, 4310)]