18803949

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8844051

約数列:

[1, 3, 23, 31, 59, 69, 93, 149, 177, 447, 713, 1357, 1829, 2139, 3427, 4071, 4619, 5487, 8791, 10281, 13857, 26373, 42067, 106237, 126201, 202193, 272521, 318711, 606579, 817563, 6267983, 18803949]

約数ペア:

[(1, 18803949), (3, 6267983), (23, 817563), (31, 606579), (59, 318711), (69, 272521), (93, 202193), (149, 126201), (177, 106237), (447, 42067), (713, 26373), (1357, 13857), (1829, 10281), (2139, 8791), (3427, 5487), (4071, 4619)]