19985245854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{997}}^1\times {\mathrm{1723}}^1$

素因数の和:3009

約数の個数: 64

約数和(自身を含む): 45918091776

約数和(自身を除く): 25932845922

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 277, 554, 831, 997, 1662, 1723, 1939, 1994, 2991, 3446, 3878, 5169, 5817, 5982, 6979, 10338, 11634, 12061, 13958, 20937, 24122, 36183, 41874, 72366, 276169, 477271, 552338, 828507, 954542, 1431813, 1657014, 1717831, 1933183, 2863626, 3340897, 3435662, 3866366, 5153493, 5799549, 6681794, 10022691, 10306986, 11599098, 12024817, 20045382, 24049634, 36074451, 72148902, 475839187, 951678374, 1427517561, 2855035122, 3330874309, 6661748618, 9992622927, 19985245854]

約数ペア:

[(1, 19985245854), (2, 9992622927), (3, 6661748618), (6, 3330874309), (7, 2855035122), (14, 1427517561), (21, 951678374), (42, 475839187), (277, 72148902), (554, 36074451), (831, 24049634), (997, 20045382), (1662, 12024817), (1723, 11599098), (1939, 10306986), (1994, 10022691), (2991, 6681794), (3446, 5799549), (3878, 5153493), (5169, 3866366), (5817, 3435662), (5982, 3340897), (6979, 2863626), (10338, 1933183), (11634, 1717831), (12061, 1657014), (13958, 1431813), (20937, 954542), (24122, 828507), (36183, 552338), (41874, 477271), (72366, 276169)]