19907673

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9509799

約数列:

[1, 3, 23, 31, 41, 69, 93, 123, 227, 681, 713, 943, 1271, 2139, 2829, 3813, 5221, 7037, 9307, 15663, 21111, 27921, 29233, 87699, 161851, 214061, 288517, 485553, 642183, 865551, 6635891, 19907673]

約数ペア:

[(1, 19907673), (3, 6635891), (23, 865551), (31, 642183), (41, 485553), (69, 288517), (93, 214061), (123, 161851), (227, 87699), (681, 29233), (713, 27921), (943, 21111), (1271, 15663), (2139, 9307), (2829, 7037), (3813, 5221)]