19935585

素因数分解:

$3^3\times 5^1\times {\mathrm{147671}}^1$

素因数の和:147685

約数の個数: 16

約数和(自身を含む): 35441280

約数和(自身を除く): 15505695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 147671, 443013, 738355, 1329039, 2215065, 3987117, 6645195, 19935585]

約数ペア:

[(1, 19935585), (3, 6645195), (5, 3987117), (9, 2215065), (15, 1329039), (27, 738355), (45, 443013), (135, 147671)]