18836404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{929}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 34138440

約数和(自身を除く): 15302036

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 929, 1858, 3716, 5069, 10138, 20276, 34373, 68746, 127273, 137492, 254546, 509092, 4709101, 9418202, 18836404]

約数ペア:

[(1, 18836404), (2, 9418202), (4, 4709101), (37, 509092), (74, 254546), (137, 137492), (148, 127273), (274, 68746), (548, 34373), (929, 20276), (1858, 10138), (3716, 5069)]