18190860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2213}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 51329376

約数和(自身を除く): 33138516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 137, 274, 411, 548, 685, 822, 1370, 1644, 2055, 2213, 2740, 4110, 4426, 6639, 8220, 8852, 11065, 13278, 22130, 26556, 33195, 44260, 66390, 132780, 303181, 606362, 909543, 1212724, 1515905, 1819086, 3031810, 3638172, 4547715, 6063620, 9095430, 18190860]

約数ペア:

[(1, 18190860), (2, 9095430), (3, 6063620), (4, 4547715), (5, 3638172), (6, 3031810), (10, 1819086), (12, 1515905), (15, 1212724), (20, 909543), (30, 606362), (60, 303181), (137, 132780), (274, 66390), (411, 44260), (548, 33195), (685, 26556), (822, 22130), (1370, 13278), (1644, 11065), (2055, 8852), (2213, 8220), (2740, 6639), (4110, 4426)]