18872510

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1496

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17415490

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1399, 2698, 2798, 6745, 6995, 13490, 13990, 26581, 53162, 99329, 132905, 198658, 265810, 496645, 993290, 1887251, 3774502, 9436255, 18872510]

約数ペア:

[(1, 18872510), (2, 9436255), (5, 3774502), (10, 1887251), (19, 993290), (38, 496645), (71, 265810), (95, 198658), (142, 132905), (190, 99329), (355, 53162), (710, 26581), (1349, 13990), (1399, 13490), (2698, 6995), (2798, 6745)]