17991972

素因数分解:

$2^2\times 3^2\times {\mathrm{311}}^1\times {\mathrm{1607}}^1$

素因数の和:1928

約数の個数: 36

約数和(自身を含む): 45654336

約数和(自身を除く): 27662364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 311, 622, 933, 1244, 1607, 1866, 2799, 3214, 3732, 4821, 5598, 6428, 9642, 11196, 14463, 19284, 28926, 57852, 499777, 999554, 1499331, 1999108, 2998662, 4497993, 5997324, 8995986, 17991972]

約数ペア:

[(1, 17991972), (2, 8995986), (3, 5997324), (4, 4497993), (6, 2998662), (9, 1999108), (12, 1499331), (18, 999554), (36, 499777), (311, 57852), (622, 28926), (933, 19284), (1244, 14463), (1607, 11196), (1866, 9642), (2799, 6428), (3214, 5598), (3732, 4821)]