18418392

素因数分解:

$2^3\times 3^2\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 50080680

約数和(自身を除く): 31662288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 491, 521, 982, 1042, 1473, 1563, 1964, 2084, 2946, 3126, 3928, 4168, 4419, 4689, 5892, 6252, 8838, 9378, 11784, 12504, 17676, 18756, 35352, 37512, 255811, 511622, 767433, 1023244, 1534866, 2046488, 2302299, 3069732, 4604598, 6139464, 9209196, 18418392]

約数ペア:

[(1, 18418392), (2, 9209196), (3, 6139464), (4, 4604598), (6, 3069732), (8, 2302299), (9, 2046488), (12, 1534866), (18, 1023244), (24, 767433), (36, 511622), (72, 255811), (491, 37512), (521, 35352), (982, 18756), (1042, 17676), (1473, 12504), (1563, 11784), (1964, 9378), (2084, 8838), (2946, 6252), (3126, 5892), (3928, 4689), (4168, 4419)]