18481590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1187}}^1$

素因数の和:1373

約数の個数: 48

約数和(自身を含む): 48370608

約数和(自身を除く): 29889018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 173, 346, 519, 865, 1038, 1187, 1557, 1730, 2374, 2595, 3114, 3561, 5190, 5935, 7122, 7785, 10683, 11870, 15570, 17805, 21366, 35610, 53415, 106830, 205351, 410702, 616053, 1026755, 1232106, 1848159, 2053510, 3080265, 3696318, 6160530, 9240795, 18481590]

約数ペア:

[(1, 18481590), (2, 9240795), (3, 6160530), (5, 3696318), (6, 3080265), (9, 2053510), (10, 1848159), (15, 1232106), (18, 1026755), (30, 616053), (45, 410702), (90, 205351), (173, 106830), (346, 53415), (519, 35610), (865, 21366), (1038, 17805), (1187, 15570), (1557, 11870), (1730, 10683), (2374, 7785), (2595, 7122), (3114, 5935), (3561, 5190)]