18389040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 80

約数和(自身を含む): 57445728

約数和(自身を除く): 39056688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 193, 240, 386, 397, 579, 772, 794, 965, 1158, 1191, 1544, 1588, 1930, 1985, 2316, 2382, 2895, 3088, 3176, 3860, 3970, 4632, 4764, 5790, 5955, 6352, 7720, 7940, 9264, 9528, 11580, 11910, 15440, 15880, 19056, 23160, 23820, 31760, 46320, 47640, 76621, 95280, 153242, 229863, 306484, 383105, 459726, 612968, 766210, 919452, 1149315, 1225936, 1532420, 1838904, 2298630, 3064840, 3677808, 4597260, 6129680, 9194520, 18389040]

約数ペア:

[(1, 18389040), (2, 9194520), (3, 6129680), (4, 4597260), (5, 3677808), (6, 3064840), (8, 2298630), (10, 1838904), (12, 1532420), (15, 1225936), (16, 1149315), (20, 919452), (24, 766210), (30, 612968), (40, 459726), (48, 383105), (60, 306484), (80, 229863), (120, 153242), (193, 95280), (240, 76621), (386, 47640), (397, 46320), (579, 31760), (772, 23820), (794, 23160), (965, 19056), (1158, 15880), (1191, 15440), (1544, 11910), (1588, 11580), (1930, 9528), (1985, 9264), (2316, 7940), (2382, 7720), (2895, 6352), (3088, 5955), (3176, 5790), (3860, 4764), (3970, 4632)]