18552976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 20444528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 191, 208, 382, 467, 764, 934, 1528, 1868, 2483, 3056, 3736, 4966, 6071, 7472, 9932, 12142, 19864, 24284, 39728, 48568, 89197, 97136, 178394, 356788, 713576, 1159561, 1427152, 2319122, 4638244, 9276488, 18552976]

約数ペア:

[(1, 18552976), (2, 9276488), (4, 4638244), (8, 2319122), (13, 1427152), (16, 1159561), (26, 713576), (52, 356788), (104, 178394), (191, 97136), (208, 89197), (382, 48568), (467, 39728), (764, 24284), (934, 19864), (1528, 12142), (1868, 9932), (2483, 7472), (3056, 6071), (3736, 4966)]