19459490

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{5879}}^1$

素因数の和:6217

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 15679390

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 5879, 11758, 29395, 58790, 1945949, 3891898, 9729745, 19459490]

約数ペア:

[(1, 19459490), (2, 9729745), (5, 3891898), (10, 1945949), (331, 58790), (662, 29395), (1655, 11758), (3310, 5879)]