18995087805

素因数分解:

$3^1\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{211727}}^1$

素因数の和:217716

約数の個数: 16

約数和(自身を含む): 30397365504

約数和(自身を除く): 11402277699

約数列:

[1, 3, 5, 15, 5981, 17943, 29905, 89715, 211727, 635181, 1058635, 3175905, 1266339187, 3799017561, 6331695935, 18995087805]

約数ペア:

[(1, 18995087805), (3, 6331695935), (5, 3799017561), (15, 1266339187), (5981, 3175905), (17943, 1058635), (29905, 635181), (89715, 211727)]