19710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1$

素因数の和:89

約数の個数: 32

約数和(自身を含む): 53280

約数和(自身を除く): 33570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1971, 2190, 3285, 3942, 6570, 9855, 19710]

約数ペア:

[(1, 19710), (2, 9855), (3, 6570), (5, 3942), (6, 3285), (9, 2190), (10, 1971), (15, 1314), (18, 1095), (27, 730), (30, 657), (45, 438), (54, 365), (73, 270), (90, 219), (135, 146)]