12989460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19681}}^1$

素因数の和:19704

約数の個数: 48

約数和(自身を含む): 39678912

約数和(自身を除く): 26689452

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 19681, 39362, 59043, 78724, 98405, 118086, 196810, 216491, 236172, 295215, 393620, 432982, 590430, 649473, 865964, 1082455, 1180860, 1298946, 2164910, 2597892, 3247365, 4329820, 6494730, 12989460]

約数ペア:

[(1, 12989460), (2, 6494730), (3, 4329820), (4, 3247365), (5, 2597892), (6, 2164910), (10, 1298946), (11, 1180860), (12, 1082455), (15, 865964), (20, 649473), (22, 590430), (30, 432982), (33, 393620), (44, 295215), (55, 236172), (60, 216491), (66, 196810), (110, 118086), (132, 98405), (165, 78724), (220, 59043), (330, 39362), (660, 19681)]