19839897

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3181}}^1$

素因数の和:3211

約数の個数: 40

約数和(自身を含む): 36962112

約数和(自身を除く): 17122215

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3181, 6237, 9543, 22267, 28629, 34991, 66801, 85887, 104973, 200403, 244937, 257661, 314919, 601209, 734811, 944757, 1803627, 2204433, 2834271, 6613299, 19839897]

約数ペア:

[(1, 19839897), (3, 6613299), (7, 2834271), (9, 2204433), (11, 1803627), (21, 944757), (27, 734811), (33, 601209), (63, 314919), (77, 257661), (81, 244937), (99, 200403), (189, 104973), (231, 85887), (297, 66801), (567, 34991), (693, 28629), (891, 22267), (2079, 9543), (3181, 6237)]