19217990590

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{8617933}}^1$

素因数の和:8618163

約数の個数: 16

約数和(自身を含む): 34747509888

約数和(自身を除く): 15529519298

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 8617933, 17235866, 43089665, 86179330, 1921799059, 3843598118, 9608995295, 19217990590]

約数ペア:

[(1, 19217990590), (2, 9608995295), (5, 3843598118), (10, 1921799059), (223, 86179330), (446, 43089665), (1115, 17235866), (2230, 8617933)]