18477620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2237}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 45118080

約数和(自身を除く): 26640460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 2237, 4130, 4474, 8260, 8948, 11185, 15659, 22370, 31318, 44740, 62636, 78295, 131983, 156590, 263966, 313180, 527932, 659915, 923881, 1319830, 1847762, 2639660, 3695524, 4619405, 9238810, 18477620]

約数ペア:

[(1, 18477620), (2, 9238810), (4, 4619405), (5, 3695524), (7, 2639660), (10, 1847762), (14, 1319830), (20, 923881), (28, 659915), (35, 527932), (59, 313180), (70, 263966), (118, 156590), (140, 131983), (236, 78295), (295, 62636), (413, 44740), (590, 31318), (826, 22370), (1180, 15659), (1652, 11185), (2065, 8948), (2237, 8260), (4130, 4474)]