18380830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4561}}^1$

素因数の和:4612

約数の個数: 32

約数和(自身を含む): 36787968

約数和(自身を除く): 18407138

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4561, 9122, 22805, 45610, 59293, 118586, 141391, 282782, 296465, 592930, 706955, 1413910, 1838083, 3676166, 9190415, 18380830]

約数ペア:

[(1, 18380830), (2, 9190415), (5, 3676166), (10, 1838083), (13, 1413910), (26, 706955), (31, 592930), (62, 296465), (65, 282782), (130, 141391), (155, 118586), (310, 59293), (403, 45610), (806, 22805), (2015, 9122), (4030, 4561)]