19041490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 37449216

約数和(自身を除く): 18407726

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2063, 4126, 4615, 9230, 10315, 20630, 26819, 53638, 134095, 146473, 268190, 292946, 732365, 1464730, 1904149, 3808298, 9520745, 19041490]

約数ペア:

[(1, 19041490), (2, 9520745), (5, 3808298), (10, 1904149), (13, 1464730), (26, 732365), (65, 292946), (71, 268190), (130, 146473), (142, 134095), (355, 53638), (710, 26819), (923, 20630), (1846, 10315), (2063, 9230), (4126, 4615)]