18809955

素因数分解:

$3^3\times 5^1\times {\mathrm{139333}}^1$

素因数の和:139347

約数の個数: 16

約数和(自身を含む): 33440160

約数和(自身を除く): 14630205

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139333, 417999, 696665, 1253997, 2089995, 3761991, 6269985, 18809955]

約数ペア:

[(1, 18809955), (3, 6269985), (5, 3761991), (9, 2089995), (15, 1253997), (27, 696665), (45, 417999), (135, 139333)]