15154780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2099}}^1$

素因数の和:2146

約数の個数: 36

約数和(自身を含む): 33604200

約数和(自身を除く): 18449420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2099, 3610, 4198, 7220, 8396, 10495, 20990, 39881, 41980, 79762, 159524, 199405, 398810, 757739, 797620, 1515478, 3030956, 3788695, 7577390, 15154780]

約数ペア:

[(1, 15154780), (2, 7577390), (4, 3788695), (5, 3030956), (10, 1515478), (19, 797620), (20, 757739), (38, 398810), (76, 199405), (95, 159524), (190, 79762), (361, 41980), (380, 39881), (722, 20990), (1444, 10495), (1805, 8396), (2099, 7220), (3610, 4198)]