18774924

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{563}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 50281728

約数和(自身を除く): 31506804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 397, 563, 794, 1126, 1191, 1588, 1689, 2252, 2382, 2779, 3378, 3941, 4764, 5558, 6756, 7882, 8337, 11116, 11823, 15764, 16674, 23646, 33348, 47292, 223511, 447022, 670533, 894044, 1341066, 1564577, 2682132, 3129154, 4693731, 6258308, 9387462, 18774924]

約数ペア:

[(1, 18774924), (2, 9387462), (3, 6258308), (4, 4693731), (6, 3129154), (7, 2682132), (12, 1564577), (14, 1341066), (21, 894044), (28, 670533), (42, 447022), (84, 223511), (397, 47292), (563, 33348), (794, 23646), (1126, 16674), (1191, 15764), (1588, 11823), (1689, 11116), (2252, 8337), (2382, 7882), (2779, 6756), (3378, 5558), (3941, 4764)]