19156816

素因数分解:

$2^4\times 7^1\times {\mathrm{171043}}^1$

素因数の和:171058

約数の個数: 20

約数和(自身を含む): 42418912

約数和(自身を除く): 23262096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171043, 342086, 684172, 1197301, 1368344, 2394602, 2736688, 4789204, 9578408, 19156816]

約数ペア:

[(1, 19156816), (2, 9578408), (4, 4789204), (7, 2736688), (8, 2394602), (14, 1368344), (16, 1197301), (28, 684172), (56, 342086), (112, 171043)]