18920398

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 34389504

約数和(自身を除く): 15469106

約数列:

[1, 2, 7, 14, 23, 46, 67, 134, 161, 322, 469, 877, 938, 1541, 1754, 3082, 6139, 10787, 12278, 20171, 21574, 40342, 58759, 117518, 141197, 282394, 411313, 822626, 1351457, 2702914, 9460199, 18920398]

約数ペア:

[(1, 18920398), (2, 9460199), (7, 2702914), (14, 1351457), (23, 822626), (46, 411313), (67, 282394), (134, 141197), (161, 117518), (322, 58759), (469, 40342), (877, 21574), (938, 20171), (1541, 12278), (1754, 10787), (3082, 6139)]