18066955

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 22521600

約数和(自身を除く): 4454645

約数列:

[1, 5, 31, 155, 229, 509, 1145, 2545, 7099, 15779, 35495, 78895, 116561, 582805, 3613391, 18066955]

約数ペア:

[(1, 18066955), (5, 3613391), (31, 582805), (155, 116561), (229, 78895), (509, 35495), (1145, 15779), (2545, 7099)]