19310128

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{15277}}^1$

素因数の和:15364

約数の個数: 20

約数和(自身を含む): 37889440

約数和(自身を除く): 18579312

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 15277, 30554, 61108, 122216, 244432, 1206883, 2413766, 4827532, 9655064, 19310128]

約数ペア:

[(1, 19310128), (2, 9655064), (4, 4827532), (8, 2413766), (16, 1206883), (79, 244432), (158, 122216), (316, 61108), (632, 30554), (1264, 15277)]