18940524

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 45765216

約数和(自身を除く): 26824692

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 137, 164, 246, 274, 281, 411, 492, 548, 562, 822, 843, 1124, 1644, 1686, 3372, 5617, 11234, 11521, 16851, 22468, 23042, 33702, 34563, 38497, 46084, 67404, 69126, 76994, 115491, 138252, 153988, 230982, 461964, 1578377, 3156754, 4735131, 6313508, 9470262, 18940524]

約数ペア:

[(1, 18940524), (2, 9470262), (3, 6313508), (4, 4735131), (6, 3156754), (12, 1578377), (41, 461964), (82, 230982), (123, 153988), (137, 138252), (164, 115491), (246, 76994), (274, 69126), (281, 67404), (411, 46084), (492, 38497), (548, 34563), (562, 33702), (822, 23042), (843, 22468), (1124, 16851), (1644, 11521), (1686, 11234), (3372, 5617)]