18731880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 61949160

約数和(自身を除く): 43217280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 853, 915, 1098, 1220, 1464, 1706, 1830, 2196, 2440, 2559, 2745, 3412, 3660, 4265, 4392, 5118, 5490, 6824, 7320, 7677, 8530, 10236, 10980, 12795, 15354, 17060, 20472, 21960, 25590, 30708, 34120, 38385, 51180, 52033, 61416, 76770, 102360, 104066, 153540, 156099, 208132, 260165, 307080, 312198, 416264, 468297, 520330, 624396, 780495, 936594, 1040660, 1248792, 1560990, 1873188, 2081320, 2341485, 3121980, 3746376, 4682970, 6243960, 9365940, 18731880]

約数ペア:

[(1, 18731880), (2, 9365940), (3, 6243960), (4, 4682970), (5, 3746376), (6, 3121980), (8, 2341485), (9, 2081320), (10, 1873188), (12, 1560990), (15, 1248792), (18, 1040660), (20, 936594), (24, 780495), (30, 624396), (36, 520330), (40, 468297), (45, 416264), (60, 312198), (61, 307080), (72, 260165), (90, 208132), (120, 156099), (122, 153540), (180, 104066), (183, 102360), (244, 76770), (305, 61416), (360, 52033), (366, 51180), (488, 38385), (549, 34120), (610, 30708), (732, 25590), (853, 21960), (915, 20472), (1098, 17060), (1220, 15354), (1464, 12795), (1706, 10980), (1830, 10236), (2196, 8530), (2440, 7677), (2559, 7320), (2745, 6824), (3412, 5490), (3660, 5118), (4265, 4392)]