19961135

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 25586496

約数和(自身を除く): 5625361

約数列:

[1, 5, 29, 47, 101, 145, 235, 505, 841, 1363, 2929, 4205, 4747, 6815, 14645, 23735, 39527, 84941, 137663, 197635, 424705, 688315, 3992227, 19961135]

約数ペア:

[(1, 19961135), (5, 3992227), (29, 688315), (47, 424705), (101, 197635), (145, 137663), (235, 84941), (505, 39527), (841, 23735), (1363, 14645), (2929, 6815), (4205, 4747)]