18887940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104933}}^1$

素因数の和:104948

約数の個数: 36

約数和(自身を含む): 57293964

約数和(自身を除く): 38406024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104933, 209866, 314799, 419732, 524665, 629598, 944397, 1049330, 1259196, 1573995, 1888794, 2098660, 3147990, 3777588, 4721985, 6295980, 9443970, 18887940]

約数ペア:

[(1, 18887940), (2, 9443970), (3, 6295980), (4, 4721985), (5, 3777588), (6, 3147990), (9, 2098660), (10, 1888794), (12, 1573995), (15, 1259196), (18, 1049330), (20, 944397), (30, 629598), (36, 524665), (45, 419732), (60, 314799), (90, 209866), (180, 104933)]