19875195

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{997}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 34562736

約数和(自身を除く): 14687541

約数列:

[1, 3, 5, 9, 15, 45, 443, 997, 1329, 2215, 2991, 3987, 4985, 6645, 8973, 14955, 19935, 44865, 441671, 1325013, 2208355, 3975039, 6625065, 19875195]

約数ペア:

[(1, 19875195), (3, 6625065), (5, 3975039), (9, 2208355), (15, 1325013), (45, 441671), (443, 44865), (997, 19935), (1329, 14955), (2215, 8973), (2991, 6645), (3987, 4985)]