19497472

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:468

約数の個数: 40

約数和(自身を含む): 39418236

約数和(自身を除く): 19920764

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 337, 452, 512, 674, 904, 1348, 1808, 2696, 3616, 5392, 7232, 10784, 14464, 21568, 28928, 38081, 43136, 57856, 76162, 86272, 152324, 172544, 304648, 609296, 1218592, 2437184, 4874368, 9748736, 19497472]

約数ペア:

[(1, 19497472), (2, 9748736), (4, 4874368), (8, 2437184), (16, 1218592), (32, 609296), (64, 304648), (113, 172544), (128, 152324), (226, 86272), (256, 76162), (337, 57856), (452, 43136), (512, 38081), (674, 28928), (904, 21568), (1348, 14464), (1808, 10784), (2696, 7232), (3616, 5392)]