18485870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2683}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 36523872

約数和(自身を除く): 18038002

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 2683, 3445, 5366, 6890, 13415, 26830, 34879, 69758, 142199, 174395, 284398, 348790, 710995, 1421990, 1848587, 3697174, 9242935, 18485870]

約数ペア:

[(1, 18485870), (2, 9242935), (5, 3697174), (10, 1848587), (13, 1421990), (26, 710995), (53, 348790), (65, 284398), (106, 174395), (130, 142199), (265, 69758), (530, 34879), (689, 26830), (1378, 13415), (2683, 6890), (3445, 5366)]