19552540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139661}}^1$

素因数の和:139677

約数の個数: 24

約数和(自身を含む): 46926432

約数和(自身を除く): 27373892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139661, 279322, 558644, 698305, 977627, 1396610, 1955254, 2793220, 3910508, 4888135, 9776270, 19552540]

約数ペア:

[(1, 19552540), (2, 9776270), (4, 4888135), (5, 3910508), (7, 2793220), (10, 1955254), (14, 1396610), (20, 977627), (28, 698305), (35, 558644), (70, 279322), (140, 139661)]