18251919

素因数分解:

$3^3\times 7^1\times {\mathrm{269}}^1\times {\mathrm{359}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 12852081

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 269, 359, 807, 1077, 1883, 2421, 2513, 3231, 5649, 7263, 7539, 9693, 16947, 22617, 50841, 67851, 96571, 289713, 675997, 869139, 2027991, 2607417, 6083973, 18251919]

約数ペア:

[(1, 18251919), (3, 6083973), (7, 2607417), (9, 2027991), (21, 869139), (27, 675997), (63, 289713), (189, 96571), (269, 67851), (359, 50841), (807, 22617), (1077, 16947), (1883, 9693), (2421, 7539), (2513, 7263), (3231, 5649)]