18156085

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 24820992

約数和(自身を除く): 6664907

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 251, 391, 629, 851, 1255, 1955, 3145, 4255, 4267, 5773, 9287, 14467, 21335, 28865, 46435, 72335, 98141, 157879, 213601, 490705, 789395, 1068005, 3631217, 18156085]

約数ペア:

[(1, 18156085), (5, 3631217), (17, 1068005), (23, 789395), (37, 490705), (85, 213601), (115, 157879), (185, 98141), (251, 72335), (391, 46435), (629, 28865), (851, 21335), (1255, 14467), (1955, 9287), (3145, 5773), (4255, 4267)]