18965386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1086

約数の個数: 32

約数和(自身を含む): 33291648

約数和(自身を除く): 14326262

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 814, 851, 1013, 1702, 2026, 9361, 11143, 18722, 22286, 23299, 37481, 46598, 74962, 256289, 412291, 512578, 824582, 862063, 1724126, 9482693, 18965386]

約数ペア:

[(1, 18965386), (2, 9482693), (11, 1724126), (22, 862063), (23, 824582), (37, 512578), (46, 412291), (74, 256289), (253, 74962), (407, 46598), (506, 37481), (814, 23299), (851, 22286), (1013, 18722), (1702, 11143), (2026, 9361)]