15929228740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{974861}}^1$

素因数の和:974932

約数の個数: 48

約数和(自身を含む): 36030899520

約数和(自身を除く): 20101670780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 974861, 1949722, 3899444, 4874305, 9748610, 18522359, 19497220, 37044718, 41919023, 74089436, 83838046, 92611795, 167676092, 185223590, 209595115, 370447180, 419190230, 796461437, 838380460, 1592922874, 3185845748, 3982307185, 7964614370, 15929228740]

約数ペア:

[(1, 15929228740), (2, 7964614370), (4, 3982307185), (5, 3185845748), (10, 1592922874), (19, 838380460), (20, 796461437), (38, 419190230), (43, 370447180), (76, 209595115), (86, 185223590), (95, 167676092), (172, 92611795), (190, 83838046), (215, 74089436), (380, 41919023), (430, 37044718), (817, 19497220), (860, 18522359), (1634, 9748610), (3268, 4874305), (4085, 3899444), (8170, 1949722), (16340, 974861)]