19413584

素因数分解:

$2^4\times {\mathrm{997}}^1\times {\mathrm{1217}}^1$

素因数の和:2222

約数の個数: 20

約数和(自身を含む): 37682484

約数和(自身を除く): 18268900

約数列:

[1, 2, 4, 8, 16, 997, 1217, 1994, 2434, 3988, 4868, 7976, 9736, 15952, 19472, 1213349, 2426698, 4853396, 9706792, 19413584]

約数ペア:

[(1, 19413584), (2, 9706792), (4, 4853396), (8, 2426698), (16, 1213349), (997, 19472), (1217, 15952), (1994, 9736), (2434, 7976), (3988, 4868)]