1999660518

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{15649}}^1$

素因数の和:15917

約数の個数: 48

約数和(自身を含む): 4492176000

約数和(自身を除く): 2492515482

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 229, 279, 458, 558, 687, 1374, 2061, 4122, 7099, 14198, 15649, 21297, 31298, 42594, 46947, 63891, 93894, 127782, 140841, 281682, 485119, 970238, 1455357, 2910714, 3583621, 4366071, 7167242, 8732142, 10750863, 21501726, 32252589, 64505178, 111092251, 222184502, 333276753, 666553506, 999830259, 1999660518]

約数ペア:

[(1, 1999660518), (2, 999830259), (3, 666553506), (6, 333276753), (9, 222184502), (18, 111092251), (31, 64505178), (62, 32252589), (93, 21501726), (186, 10750863), (229, 8732142), (279, 7167242), (458, 4366071), (558, 3583621), (687, 2910714), (1374, 1455357), (2061, 970238), (4122, 485119), (7099, 281682), (14198, 140841), (15649, 127782), (21297, 93894), (31298, 63891), (42594, 46947)]