18838404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40253}}^1$

素因数の和:40276

約数の個数: 36

約数和(自身を含む): 51283596

約数和(自身を除く): 32445192

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40253, 80506, 120759, 161012, 241518, 362277, 483036, 523289, 724554, 1046578, 1449108, 1569867, 2093156, 3139734, 4709601, 6279468, 9419202, 18838404]

約数ペア:

[(1, 18838404), (2, 9419202), (3, 6279468), (4, 4709601), (6, 3139734), (9, 2093156), (12, 1569867), (13, 1449108), (18, 1046578), (26, 724554), (36, 523289), (39, 483036), (52, 362277), (78, 241518), (117, 161012), (156, 120759), (234, 80506), (468, 40253)]