19914860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2411}}^1$

素因数の和:2486

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 28711060

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, 2411, 4130, 4822, 8260, 9644, 12055, 16877, 24110, 33754, 48220, 67508, 84385, 142249, 168770, 284498, 337540, 568996, 711245, 995743, 1422490, 1991486, 2844980, 3982972, 4978715, 9957430, 19914860]

約数ペア:

[(1, 19914860), (2, 9957430), (4, 4978715), (5, 3982972), (7, 2844980), (10, 1991486), (14, 1422490), (20, 995743), (28, 711245), (35, 568996), (59, 337540), (70, 284498), (118, 168770), (140, 142249), (236, 84385), (295, 67508), (413, 48220), (590, 33754), (826, 24110), (1180, 16877), (1652, 12055), (2065, 9644), (2411, 8260), (4130, 4822)]