18128035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{509}}^1$

素因数の和:950

約数の個数: 16

約数和(自身を含む): 23133600

約数和(自身を除く): 5005565

約数列:

[1, 5, 17, 85, 419, 509, 2095, 2545, 7123, 8653, 35615, 43265, 213271, 1066355, 3625607, 18128035]

約数ペア:

[(1, 18128035), (5, 3625607), (17, 1066355), (85, 213271), (419, 43265), (509, 35615), (2095, 8653), (2545, 7123)]