18942128

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{25189}}^1$

素因数の和:25244

約数の個数: 20

約数和(自身を含む): 37482720

約数和(自身を除く): 18540592

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 25189, 50378, 100756, 201512, 403024, 1183883, 2367766, 4735532, 9471064, 18942128]

約数ペア:

[(1, 18942128), (2, 9471064), (4, 4735532), (8, 2367766), (16, 1183883), (47, 403024), (94, 201512), (188, 100756), (376, 50378), (752, 25189)]