19149440

素因数分解:

$2^7\times 5^1\times {\mathrm{29921}}^1$

素因数の和:29940

約数の個数: 32

約数和(自身を含む): 45780660

約数和(自身を除く): 26631220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29921, 59842, 119684, 149605, 239368, 299210, 478736, 598420, 957472, 1196840, 1914944, 2393680, 3829888, 4787360, 9574720, 19149440]

約数ペア:

[(1, 19149440), (2, 9574720), (4, 4787360), (5, 3829888), (8, 2393680), (10, 1914944), (16, 1196840), (20, 957472), (32, 598420), (40, 478736), (64, 299210), (80, 239368), (128, 149605), (160, 119684), (320, 59842), (640, 29921)]