12908030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1657}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 25068960

約数和(自身を除く): 12160930

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 1657, 3314, 3895, 7790, 8285, 16570, 31483, 62966, 67937, 135874, 157415, 314830, 339685, 679370, 1290803, 2581606, 6454015, 12908030]

約数ペア:

[(1, 12908030), (2, 6454015), (5, 2581606), (10, 1290803), (19, 679370), (38, 339685), (41, 314830), (82, 157415), (95, 135874), (190, 67937), (205, 62966), (410, 31483), (779, 16570), (1558, 8285), (1657, 7790), (3314, 3895)]