19515672801

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1796527}}^1$

素因数の和:1796621

約数の個数: 24

約数和(自身を含む): 30267903744

約数和(自身を除く): 10752230943

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 10863, 1796527, 5389581, 16168743, 30540959, 91622877, 127553417, 274868631, 382660251, 1147980753, 2168408089, 6505224267, 19515672801]

約数ペア:

[(1, 19515672801), (3, 6505224267), (9, 2168408089), (17, 1147980753), (51, 382660251), (71, 274868631), (153, 127553417), (213, 91622877), (639, 30540959), (1207, 16168743), (3621, 5389581), (10863, 1796527)]