19212564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1036

約数の個数: 48

約数和(自身を含む): 51462656

約数和(自身を除く): 32250092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 331, 662, 691, 993, 1324, 1382, 1986, 2073, 2317, 2764, 3972, 4146, 4634, 4837, 6951, 8292, 9268, 9674, 13902, 14511, 19348, 27804, 29022, 58044, 228721, 457442, 686163, 914884, 1372326, 1601047, 2744652, 3202094, 4803141, 6404188, 9606282, 19212564]

約数ペア:

[(1, 19212564), (2, 9606282), (3, 6404188), (4, 4803141), (6, 3202094), (7, 2744652), (12, 1601047), (14, 1372326), (21, 914884), (28, 686163), (42, 457442), (84, 228721), (331, 58044), (662, 29022), (691, 27804), (993, 19348), (1324, 14511), (1382, 13902), (1986, 9674), (2073, 9268), (2317, 8292), (2764, 6951), (3972, 4837), (4146, 4634)]