18997376

素因数分解:

$2^7\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 38091900

約数和(自身を除く): 19094524

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 193, 386, 769, 772, 1538, 1544, 3076, 3088, 6152, 6176, 12304, 12352, 24608, 24704, 49216, 98432, 148417, 296834, 593668, 1187336, 2374672, 4749344, 9498688, 18997376]

約数ペア:

[(1, 18997376), (2, 9498688), (4, 4749344), (8, 2374672), (16, 1187336), (32, 593668), (64, 296834), (128, 148417), (193, 98432), (386, 49216), (769, 24704), (772, 24608), (1538, 12352), (1544, 12304), (3076, 6176), (3088, 6152)]