19180144

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{2861}}^1$

素因数の和:3288

約数の個数: 20

約数和(自身を含む): 37263240

約数和(自身を除く): 18083096

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 2861, 3352, 5722, 6704, 11444, 22888, 45776, 1198759, 2397518, 4795036, 9590072, 19180144]

約数ペア:

[(1, 19180144), (2, 9590072), (4, 4795036), (8, 2397518), (16, 1198759), (419, 45776), (838, 22888), (1676, 11444), (2861, 6704), (3352, 5722)]