19787160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{164893}}^1$

素因数の和:164907

約数の個数: 32

約数和(自身を含む): 59361840

約数和(自身を除く): 39574680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 164893, 329786, 494679, 659572, 824465, 989358, 1319144, 1648930, 1978716, 2473395, 3297860, 3957432, 4946790, 6595720, 9893580, 19787160]

約数ペア:

[(1, 19787160), (2, 9893580), (3, 6595720), (4, 4946790), (5, 3957432), (6, 3297860), (8, 2473395), (10, 1978716), (12, 1648930), (15, 1319144), (20, 989358), (24, 824465), (30, 659572), (40, 494679), (60, 329786), (120, 164893)]