19739765

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4421}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 25470720

約数和(自身を除く): 5730955

約数列:

[1, 5, 19, 47, 95, 235, 893, 4421, 4465, 22105, 83999, 207787, 419995, 1038935, 3947953, 19739765]

約数ペア:

[(1, 19739765), (5, 3947953), (19, 1038935), (47, 419995), (95, 207787), (235, 83999), (893, 22105), (4421, 4465)]