18780894

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{8623}}^1$

素因数の和:8653

約数の個数: 36

約数和(自身を含む): 44732688

約数和(自身を除く): 25951794

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 8623, 17246, 25869, 51738, 77607, 94853, 155214, 189706, 284559, 569118, 853677, 1043383, 1707354, 2086766, 3130149, 6260298, 9390447, 18780894]

約数ペア:

[(1, 18780894), (2, 9390447), (3, 6260298), (6, 3130149), (9, 2086766), (11, 1707354), (18, 1043383), (22, 853677), (33, 569118), (66, 284559), (99, 189706), (121, 155214), (198, 94853), (242, 77607), (363, 51738), (726, 25869), (1089, 17246), (2178, 8623)]