18903305

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 4381495

約数列:

[1, 5, 59, 139, 295, 461, 695, 2305, 8201, 27199, 41005, 64079, 135995, 320395, 3780661, 18903305]

約数ペア:

[(1, 18903305), (5, 3780661), (59, 320395), (139, 135995), (295, 64079), (461, 41005), (695, 27199), (2305, 8201)]