19252779

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12680661

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 647, 763, 1417, 1941, 2289, 4251, 4529, 8411, 9919, 13587, 25233, 29757, 58877, 70523, 176631, 211569, 493661, 916799, 1480983, 2750397, 6417593, 19252779]

約数ペア:

[(1, 19252779), (3, 6417593), (7, 2750397), (13, 1480983), (21, 916799), (39, 493661), (91, 211569), (109, 176631), (273, 70523), (327, 58877), (647, 29757), (763, 25233), (1417, 13587), (1941, 9919), (2289, 8411), (4251, 4529)]