19756105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 26438400

約数和(自身を除く): 6682295

約数列:

[1, 5, 19, 29, 71, 95, 101, 145, 355, 505, 551, 1349, 1919, 2059, 2755, 2929, 6745, 7171, 9595, 10295, 14645, 35855, 39121, 55651, 136249, 195605, 207959, 278255, 681245, 1039795, 3951221, 19756105]

約数ペア:

[(1, 19756105), (5, 3951221), (19, 1039795), (29, 681245), (71, 278255), (95, 207959), (101, 195605), (145, 136249), (355, 55651), (505, 39121), (551, 35855), (1349, 14645), (1919, 10295), (2059, 9595), (2755, 7171), (2929, 6745)]