19917220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{16879}}^1$

素因数の和:16947

約数の個数: 24

約数和(自身を含む): 42537600

約数和(自身を除く): 22620380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 16879, 33758, 67516, 84395, 168790, 337580, 995861, 1991722, 3983444, 4979305, 9958610, 19917220]

約数ペア:

[(1, 19917220), (2, 9958610), (4, 4979305), (5, 3983444), (10, 1991722), (20, 995861), (59, 337580), (118, 168790), (236, 84395), (295, 67516), (590, 33758), (1180, 16879)]