388639376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1278419}}^1$

素因数の和:1278446

約数の個数: 20

約数和(自身を含む): 792620400

約数和(自身を除く): 403981024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1278419, 2556838, 5113676, 10227352, 20454704, 24289961, 48579922, 97159844, 194319688, 388639376]

約数ペア:

[(1, 388639376), (2, 194319688), (4, 97159844), (8, 48579922), (16, 24289961), (19, 20454704), (38, 10227352), (76, 5113676), (152, 2556838), (304, 1278419)]