15665690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2011}}^1$

素因数の和:2078

約数の個数: 32

約数和(自身を含む): 30421440

約数和(自身を除く): 14755750

約数列:

[1, 2, 5, 10, 19, 38, 41, 82, 95, 190, 205, 410, 779, 1558, 2011, 3895, 4022, 7790, 10055, 20110, 38209, 76418, 82451, 164902, 191045, 382090, 412255, 824510, 1566569, 3133138, 7832845, 15665690]

約数ペア:

[(1, 15665690), (2, 7832845), (5, 3133138), (10, 1566569), (19, 824510), (38, 412255), (41, 382090), (82, 191045), (95, 164902), (190, 82451), (205, 76418), (410, 38209), (779, 20110), (1558, 10055), (2011, 7790), (3895, 4022)]