19752381

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10501}}^1$

素因数の和:10537

約数の個数: 24

約数和(自身を含む): 32766240

約数和(自身を除く): 13013859

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10501, 31503, 94509, 115511, 199519, 346533, 598557, 1039599, 1795671, 2194709, 6584127, 19752381]

約数ペア:

[(1, 19752381), (3, 6584127), (9, 2194709), (11, 1795671), (19, 1039599), (33, 598557), (57, 346533), (99, 199519), (171, 115511), (209, 94509), (627, 31503), (1881, 10501)]