1949207810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{17881}}^1$

素因数の和:18890

約数の個数: 32

約数和(自身を含む): 3831611904

約数和(自身を除く): 1882404094

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 991, 1982, 4955, 9910, 10901, 17881, 21802, 35762, 54505, 89405, 109010, 178810, 196691, 393382, 983455, 1966910, 17720071, 35440142, 88600355, 177200710, 194920781, 389841562, 974603905, 1949207810]

約数ペア:

[(1, 1949207810), (2, 974603905), (5, 389841562), (10, 194920781), (11, 177200710), (22, 88600355), (55, 35440142), (110, 17720071), (991, 1966910), (1982, 983455), (4955, 393382), (9910, 196691), (10901, 178810), (17881, 109010), (21802, 89405), (35762, 54505)]