19971146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33626880

約数和(自身を除く): 13655734

約数列:

[1, 2, 13, 26, 47, 59, 94, 118, 277, 554, 611, 767, 1222, 1534, 2773, 3601, 5546, 7202, 13019, 16343, 26038, 32686, 36049, 72098, 169247, 212459, 338494, 424918, 768121, 1536242, 9985573, 19971146]

約数ペア:

[(1, 19971146), (2, 9985573), (13, 1536242), (26, 768121), (47, 424918), (59, 338494), (94, 212459), (118, 169247), (277, 72098), (554, 36049), (611, 32686), (767, 26038), (1222, 16343), (1534, 13019), (2773, 7202), (3601, 5546)]