18961380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105341}}^1$

素因数の和:105356

約数の個数: 36

約数和(自身を含む): 57516732

約数和(自身を除く): 38555352

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105341, 210682, 316023, 421364, 526705, 632046, 948069, 1053410, 1264092, 1580115, 1896138, 2106820, 3160230, 3792276, 4740345, 6320460, 9480690, 18961380]

約数ペア:

[(1, 18961380), (2, 9480690), (3, 6320460), (4, 4740345), (5, 3792276), (6, 3160230), (9, 2106820), (10, 1896138), (12, 1580115), (15, 1264092), (18, 1053410), (20, 948069), (30, 632046), (36, 526705), (45, 421364), (60, 316023), (90, 210682), (180, 105341)]