12557936

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 25928400

約数和(自身を除く): 13370464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 409, 808, 818, 1616, 1636, 1919, 3272, 3838, 6544, 7676, 7771, 15352, 15542, 30704, 31084, 41309, 62168, 82618, 124336, 165236, 330472, 660944, 784871, 1569742, 3139484, 6278968, 12557936]

約数ペア:

[(1, 12557936), (2, 6278968), (4, 3139484), (8, 1569742), (16, 784871), (19, 660944), (38, 330472), (76, 165236), (101, 124336), (152, 82618), (202, 62168), (304, 41309), (404, 31084), (409, 30704), (808, 15542), (818, 15352), (1616, 7771), (1636, 7676), (1919, 6544), (3272, 3838)]