19492020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108289}}^1$

素因数の和:108304

約数の個数: 36

約数和(自身を含む): 59126340

約数和(自身を除く): 39634320

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108289, 216578, 324867, 433156, 541445, 649734, 974601, 1082890, 1299468, 1624335, 1949202, 2165780, 3248670, 3898404, 4873005, 6497340, 9746010, 19492020]

約数ペア:

[(1, 19492020), (2, 9746010), (3, 6497340), (4, 4873005), (5, 3898404), (6, 3248670), (9, 2165780), (10, 1949202), (12, 1624335), (15, 1299468), (18, 1082890), (20, 974601), (30, 649734), (36, 541445), (45, 433156), (60, 324867), (90, 216578), (180, 108289)]