1919769620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{9227}}^1$

素因数の和:9440

約数の個数: 48

約数和(自身を含む): 4111406208

約数和(自身を除く): 2191636588

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 202, 206, 404, 412, 505, 515, 1010, 1030, 2020, 2060, 9227, 10403, 18454, 20806, 36908, 41612, 46135, 52015, 92270, 104030, 184540, 208060, 931927, 950381, 1863854, 1900762, 3727708, 3801524, 4659635, 4751905, 9319270, 9503810, 18638540, 19007620, 95988481, 191976962, 383953924, 479942405, 959884810, 1919769620]

約数ペア:

[(1, 1919769620), (2, 959884810), (4, 479942405), (5, 383953924), (10, 191976962), (20, 95988481), (101, 19007620), (103, 18638540), (202, 9503810), (206, 9319270), (404, 4751905), (412, 4659635), (505, 3801524), (515, 3727708), (1010, 1900762), (1030, 1863854), (2020, 950381), (2060, 931927), (9227, 208060), (10403, 184540), (18454, 104030), (20806, 92270), (36908, 52015), (41612, 46135)]