18986073

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 27358848

約数和(自身を除く): 8372775

約数列:

[1, 3, 19, 47, 57, 141, 361, 373, 893, 1083, 1119, 2679, 7087, 16967, 17531, 21261, 50901, 52593, 134653, 333089, 403959, 999267, 6328691, 18986073]

約数ペア:

[(1, 18986073), (3, 6328691), (19, 999267), (47, 403959), (57, 333089), (141, 134653), (361, 52593), (373, 50901), (893, 21261), (1083, 17531), (1119, 16967), (2679, 7087)]