19208912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70621}}^1$

素因数の和:70646

約数の個数: 20

約数和(自身を含む): 39407076

約数和(自身を除く): 20198164

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70621, 141242, 282484, 564968, 1129936, 1200557, 2401114, 4802228, 9604456, 19208912]

約数ペア:

[(1, 19208912), (2, 9604456), (4, 4802228), (8, 2401114), (16, 1200557), (17, 1129936), (34, 564968), (68, 282484), (136, 141242), (272, 70621)]