19009890460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{86408593}}^1$

素因数の和:86408613

約数の個数: 24

約数和(自身を含む): 43549931376

約数和(自身を除く): 24540040916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 86408593, 172817186, 345634372, 432042965, 864085930, 950494523, 1728171860, 1900989046, 3801978092, 4752472615, 9504945230, 19009890460]

約数ペア:

[(1, 19009890460), (2, 9504945230), (4, 4752472615), (5, 3801978092), (10, 1900989046), (11, 1728171860), (20, 950494523), (22, 864085930), (44, 432042965), (55, 345634372), (110, 172817186), (220, 86408593)]