19077680

素因数分解:

$2^4\times 5^1\times {\mathrm{238471}}^1$

素因数の和:238484

約数の個数: 20

約数和(自身を含む): 44355792

約数和(自身を除く): 25278112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238471, 476942, 953884, 1192355, 1907768, 2384710, 3815536, 4769420, 9538840, 19077680]

約数ペア:

[(1, 19077680), (2, 9538840), (4, 4769420), (5, 3815536), (8, 2384710), (10, 1907768), (16, 1192355), (20, 953884), (40, 476942), (80, 238471)]