16989930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{607}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 44388864

約数和(自身を除く): 27398934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 311, 607, 622, 933, 1214, 1555, 1821, 1866, 2799, 3035, 3110, 3642, 4665, 5463, 5598, 6070, 9105, 9330, 10926, 13995, 18210, 27315, 27990, 54630, 188777, 377554, 566331, 943885, 1132662, 1698993, 1887770, 2831655, 3397986, 5663310, 8494965, 16989930]

約数ペア:

[(1, 16989930), (2, 8494965), (3, 5663310), (5, 3397986), (6, 2831655), (9, 1887770), (10, 1698993), (15, 1132662), (18, 943885), (30, 566331), (45, 377554), (90, 188777), (311, 54630), (607, 27990), (622, 27315), (933, 18210), (1214, 13995), (1555, 10926), (1821, 9330), (1866, 9105), (2799, 6070), (3035, 5598), (3110, 5463), (3642, 4665)]