18716760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{51991}}^1$

素因数の和:52008

約数の個数: 48

約数和(自身を含む): 60830640

約数和(自身を除く): 42113880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 51991, 103982, 155973, 207964, 259955, 311946, 415928, 467919, 519910, 623892, 779865, 935838, 1039820, 1247784, 1559730, 1871676, 2079640, 2339595, 3119460, 3743352, 4679190, 6238920, 9358380, 18716760]

約数ペア:

[(1, 18716760), (2, 9358380), (3, 6238920), (4, 4679190), (5, 3743352), (6, 3119460), (8, 2339595), (9, 2079640), (10, 1871676), (12, 1559730), (15, 1247784), (18, 1039820), (20, 935838), (24, 779865), (30, 623892), (36, 519910), (40, 467919), (45, 415928), (60, 311946), (72, 259955), (90, 207964), (120, 155973), (180, 103982), (360, 51991)]