17990940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27259}}^1$

素因数の和:27282

約数の個数: 48

約数和(自身を含む): 54956160

約数和(自身を除く): 36965220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 27259, 54518, 81777, 109036, 136295, 163554, 272590, 299849, 327108, 408885, 545180, 599698, 817770, 899547, 1199396, 1499245, 1635540, 1799094, 2998490, 3598188, 4497735, 5996980, 8995470, 17990940]

約数ペア:

[(1, 17990940), (2, 8995470), (3, 5996980), (4, 4497735), (5, 3598188), (6, 2998490), (10, 1799094), (11, 1635540), (12, 1499245), (15, 1199396), (20, 899547), (22, 817770), (30, 599698), (33, 545180), (44, 408885), (55, 327108), (60, 299849), (66, 272590), (110, 163554), (132, 136295), (165, 109036), (220, 81777), (330, 54518), (660, 27259)]