16885490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 32235840

約数和(自身を除く): 15350350

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 491, 905, 982, 1810, 2455, 3439, 4910, 6878, 9329, 17195, 18658, 34390, 46645, 88871, 93290, 177742, 444355, 888710, 1688549, 3377098, 8442745, 16885490]

約数ペア:

[(1, 16885490), (2, 8442745), (5, 3377098), (10, 1688549), (19, 888710), (38, 444355), (95, 177742), (181, 93290), (190, 88871), (362, 46645), (491, 34390), (905, 18658), (982, 17195), (1810, 9329), (2455, 6878), (3439, 4910)]