19757608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189977}}^1$

素因数の和:189996

約数の個数: 16

約数和(自身を含む): 39895380

約数和(自身を除く): 20137772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189977, 379954, 759908, 1519816, 2469701, 4939402, 9878804, 19757608]

約数ペア:

[(1, 19757608), (2, 9878804), (4, 4939402), (8, 2469701), (13, 1519816), (26, 759908), (52, 379954), (104, 189977)]