19933505

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 24496320

約数和(自身を除く): 4562815

約数列:

[1, 5, 67, 157, 335, 379, 785, 1895, 10519, 25393, 52595, 59503, 126965, 297515, 3986701, 19933505]

約数ペア:

[(1, 19933505), (5, 3986701), (67, 297515), (157, 126965), (335, 59503), (379, 52595), (785, 25393), (1895, 10519)]