18155540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{69829}}^1$

素因数の和:69851

約数の個数: 24

約数和(自身を含む): 41060040

約数和(自身を除く): 22904500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 69829, 139658, 279316, 349145, 698290, 907777, 1396580, 1815554, 3631108, 4538885, 9077770, 18155540]

約数ペア:

[(1, 18155540), (2, 9077770), (4, 4538885), (5, 3631108), (10, 1815554), (13, 1396580), (20, 907777), (26, 698290), (52, 349145), (65, 279316), (130, 139658), (260, 69829)]