18240183

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 11951433

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 107, 117, 141, 279, 321, 403, 423, 611, 963, 1209, 1391, 1457, 1833, 3317, 3627, 4173, 4371, 5029, 5499, 9951, 12519, 13113, 15087, 18941, 29853, 43121, 45261, 56823, 65377, 129363, 155899, 170469, 196131, 388089, 467697, 588393, 1403091, 2026687, 6080061, 18240183]

約数ペア:

[(1, 18240183), (3, 6080061), (9, 2026687), (13, 1403091), (31, 588393), (39, 467697), (47, 388089), (93, 196131), (107, 170469), (117, 155899), (141, 129363), (279, 65377), (321, 56823), (403, 45261), (423, 43121), (611, 29853), (963, 18941), (1209, 15087), (1391, 13113), (1457, 12519), (1833, 9951), (3317, 5499), (3627, 5029), (4173, 4371)]