18547245

素因数分解:

$3^3\times 5^1\times {\mathrm{137387}}^1$

素因数の和:137401

約数の個数: 16

約数和(自身を含む): 32973120

約数和(自身を除く): 14425875

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 137387, 412161, 686935, 1236483, 2060805, 3709449, 6182415, 18547245]

約数ペア:

[(1, 18547245), (3, 6182415), (5, 3709449), (9, 2060805), (15, 1236483), (27, 686935), (45, 412161), (135, 137387)]