18980223

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1693}}^1$

素因数の和:1834

約数の個数: 16

約数和(自身を含む): 26263776

約数和(自身を除く): 7283553

約数列:

[1, 3, 37, 101, 111, 303, 1693, 3737, 5079, 11211, 62641, 170993, 187923, 512979, 6326741, 18980223]

約数ペア:

[(1, 18980223), (3, 6326741), (37, 512979), (101, 187923), (111, 170993), (303, 62641), (1693, 11211), (3737, 5079)]