1881380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4951}}^1$

素因数の和:4979

約数の個数: 24

約数和(自身を含む): 4159680

約数和(自身を除く): 2278300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4951, 9902, 19804, 24755, 49510, 94069, 99020, 188138, 376276, 470345, 940690, 1881380]

約数ペア:

[(1, 1881380), (2, 940690), (4, 470345), (5, 376276), (10, 188138), (19, 99020), (20, 94069), (38, 49510), (76, 24755), (95, 19804), (190, 9902), (380, 4951)]