18893848

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{81439}}^1$

素因数の和:81474

約数の個数: 16

約数和(自身を含む): 36648000

約数和(自身を除く): 17754152

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 81439, 162878, 325756, 651512, 2361731, 4723462, 9446924, 18893848]

約数ペア:

[(1, 18893848), (2, 9446924), (4, 4723462), (8, 2361731), (29, 651512), (58, 325756), (116, 162878), (232, 81439)]