18268020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101489}}^1$

素因数の和:101504

約数の個数: 36

約数和(自身を含む): 55413540

約数和(自身を除く): 37145520

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 101489, 202978, 304467, 405956, 507445, 608934, 913401, 1014890, 1217868, 1522335, 1826802, 2029780, 3044670, 3653604, 4567005, 6089340, 9134010, 18268020]

約数ペア:

[(1, 18268020), (2, 9134010), (3, 6089340), (4, 4567005), (5, 3653604), (6, 3044670), (9, 2029780), (10, 1826802), (12, 1522335), (15, 1217868), (18, 1014890), (20, 913401), (30, 608934), (36, 507445), (45, 405956), (60, 304467), (90, 202978), (180, 101489)]