19970295

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10163}}^1$

素因数の和:10302

約数の個数: 16

約数和(自身を含む): 32199552

約数和(自身を除く): 12229257

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10163, 30489, 50815, 152445, 1331353, 3994059, 6656765, 19970295]

約数ペア:

[(1, 19970295), (3, 6656765), (5, 3994059), (15, 1331353), (131, 152445), (393, 50815), (655, 30489), (1965, 10163)]