18770220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14897}}^1$

素因数の和:14919

約数の個数: 72

約数和(自身を含む): 65074464

約数和(自身を除く): 46304244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14897, 29794, 44691, 59588, 74485, 89382, 104279, 134073, 148970, 178764, 208558, 223455, 268146, 297940, 312837, 417116, 446910, 521395, 536292, 625674, 670365, 893820, 938511, 1042790, 1251348, 1340730, 1564185, 1877022, 2085580, 2681460, 3128370, 3754044, 4692555, 6256740, 9385110, 18770220]

約数ペア:

[(1, 18770220), (2, 9385110), (3, 6256740), (4, 4692555), (5, 3754044), (6, 3128370), (7, 2681460), (9, 2085580), (10, 1877022), (12, 1564185), (14, 1340730), (15, 1251348), (18, 1042790), (20, 938511), (21, 893820), (28, 670365), (30, 625674), (35, 536292), (36, 521395), (42, 446910), (45, 417116), (60, 312837), (63, 297940), (70, 268146), (84, 223455), (90, 208558), (105, 178764), (126, 148970), (140, 134073), (180, 104279), (210, 89382), (252, 74485), (315, 59588), (420, 44691), (630, 29794), (1260, 14897)]