19997542

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18973}}^1$

素因数の和:19023

約数の個数: 16

約数和(自身を含む): 32787072

約数和(自身を除く): 12789530

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 18973, 37946, 322541, 588163, 645082, 1176326, 9998771, 19997542]

約数ペア:

[(1, 19997542), (2, 9998771), (17, 1176326), (31, 645082), (34, 588163), (62, 322541), (527, 37946), (1054, 18973)]