19881423939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2297}}^1\times {\mathrm{5413}}^1$

素因数の和:7767

約数の個数: 32

約数和(自身を含む): 29262106944

約数和(自身を除く): 9380683005

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 2297, 5413, 6891, 16239, 29861, 70369, 89583, 94177, 211107, 221933, 282531, 665799, 1224301, 2885129, 3672903, 8655387, 12433661, 37300983, 161637593, 484912779, 509780101, 1529340303, 6627141313, 19881423939]

約数ペア:

[(1, 19881423939), (3, 6627141313), (13, 1529340303), (39, 509780101), (41, 484912779), (123, 161637593), (533, 37300983), (1599, 12433661), (2297, 8655387), (5413, 3672903), (6891, 2885129), (16239, 1224301), (29861, 665799), (70369, 282531), (89583, 221933), (94177, 211107)]