18027770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 34387200

約数和(自身を除く): 16359430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 239, 397, 478, 794, 1195, 1985, 2390, 3970, 4541, 7543, 9082, 15086, 22705, 37715, 45410, 75430, 94883, 189766, 474415, 948830, 1802777, 3605554, 9013885, 18027770]

約数ペア:

[(1, 18027770), (2, 9013885), (5, 3605554), (10, 1802777), (19, 948830), (38, 474415), (95, 189766), (190, 94883), (239, 75430), (397, 45410), (478, 37715), (794, 22705), (1195, 15086), (1985, 9082), (2390, 7543), (3970, 4541)]