19894816

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{27031}}^1$

素因数の和:27064

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 20977568

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 184, 368, 736, 27031, 54062, 108124, 216248, 432496, 621713, 864992, 1243426, 2486852, 4973704, 9947408, 19894816]

約数ペア:

[(1, 19894816), (2, 9947408), (4, 4973704), (8, 2486852), (16, 1243426), (23, 864992), (32, 621713), (46, 432496), (92, 216248), (184, 108124), (368, 54062), (736, 27031)]