100018945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 137491200

約数和(自身を除く): 37472255

約数列:

[1, 5, 13, 19, 65, 95, 109, 247, 545, 743, 1235, 1417, 2071, 3715, 7085, 9659, 10355, 14117, 26923, 48295, 70585, 80987, 134615, 183521, 404935, 917605, 1052831, 1538753, 5264155, 7693765, 20003789, 100018945]

約数ペア:

[(1, 100018945), (5, 20003789), (13, 7693765), (19, 5264155), (65, 1538753), (95, 1052831), (109, 917605), (247, 404935), (545, 183521), (743, 134615), (1235, 80987), (1417, 70585), (2071, 48295), (3715, 26923), (7085, 14117), (9659, 10355)]