19389664684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{372878167}}^1$

素因数の和:372878184

約数の個数: 12

約数和(自身を含む): 36542060464

約数和(自身を除く): 17152395780

約数列:

[1, 2, 4, 13, 26, 52, 372878167, 745756334, 1491512668, 4847416171, 9694832342, 19389664684]

約数ペア:

[(1, 19389664684), (2, 9694832342), (4, 4847416171), (13, 1491512668), (26, 745756334), (52, 372878167)]