16519970

素因数分解:

$2^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1667}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 29783808

約数和(自身を除く): 13263838

約数列:

[1, 2, 5, 10, 991, 1667, 1982, 3334, 4955, 8335, 9910, 16670, 1651997, 3303994, 8259985, 16519970]

約数ペア:

[(1, 16519970), (2, 8259985), (5, 3303994), (10, 1651997), (991, 16670), (1667, 9910), (1982, 8335), (3334, 4955)]