19970294468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{967}}^1\times {\mathrm{303703}}^1$

素因数の和:304691

約数の個数: 24

約数和(自身を含む): 37042169472

約数和(自身を除く): 17071875004

約数列:

[1, 2, 4, 17, 34, 68, 967, 1934, 3868, 16439, 32878, 65756, 303703, 607406, 1214812, 5162951, 10325902, 20651804, 293680801, 587361602, 1174723204, 4992573617, 9985147234, 19970294468]

約数ペア:

[(1, 19970294468), (2, 9985147234), (4, 4992573617), (17, 1174723204), (34, 587361602), (68, 293680801), (967, 20651804), (1934, 10325902), (3868, 5162951), (16439, 1214812), (32878, 607406), (65756, 303703)]