19898151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3169}}^1$

素因数の和:3215

約数の個数: 32

約数和(自身を含む): 34083840

約数和(自身を除く): 14185689

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 161, 273, 299, 483, 897, 2093, 3169, 6279, 9507, 22183, 41197, 66549, 72887, 123591, 218661, 288379, 510209, 865137, 947531, 1530627, 2842593, 6632717, 19898151]

約数ペア:

[(1, 19898151), (3, 6632717), (7, 2842593), (13, 1530627), (21, 947531), (23, 865137), (39, 510209), (69, 288379), (91, 218661), (161, 123591), (273, 72887), (299, 66549), (483, 41197), (897, 22183), (2093, 9507), (3169, 6279)]