2191498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 3500640

約数和(自身を除く): 1309142

約数列:

[1, 2, 19, 38, 101, 202, 571, 1142, 1919, 3838, 10849, 21698, 57671, 115342, 1095749, 2191498]

約数ペア:

[(1, 2191498), (2, 1095749), (19, 115342), (38, 57671), (101, 21698), (202, 10849), (571, 3838), (1142, 1919)]