18495090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2309}}^1$

素因数の和:2411

約数の個数: 48

約数和(自身を含む): 48648600

約数和(自身を除く): 30153510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 445, 534, 801, 890, 1335, 1602, 2309, 2670, 4005, 4618, 6927, 8010, 11545, 13854, 20781, 23090, 34635, 41562, 69270, 103905, 205501, 207810, 411002, 616503, 1027505, 1233006, 1849509, 2055010, 3082515, 3699018, 6165030, 9247545, 18495090]

約数ペア:

[(1, 18495090), (2, 9247545), (3, 6165030), (5, 3699018), (6, 3082515), (9, 2055010), (10, 1849509), (15, 1233006), (18, 1027505), (30, 616503), (45, 411002), (89, 207810), (90, 205501), (178, 103905), (267, 69270), (445, 41562), (534, 34635), (801, 23090), (890, 20781), (1335, 13854), (1602, 11545), (2309, 8010), (2670, 6927), (4005, 4618)]