19158889449

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53666357}}^1$

素因数の和:53666384

約数の個数: 16

約数和(自身を含む): 30911822208

約数和(自身を除く): 11752932759

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53666357, 160999071, 375664499, 912328069, 1126993497, 2736984207, 6386296483, 19158889449]

約数ペア:

[(1, 19158889449), (3, 6386296483), (7, 2736984207), (17, 1126993497), (21, 912328069), (51, 375664499), (119, 160999071), (357, 53666357)]