19916013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4021}}^1$

素因数の和:4164

約数の個数: 16

約数和(自身を含む): 28829696

約数和(自身を除く): 8913683

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4021, 4953, 12063, 52273, 156819, 510667, 1532001, 6638671, 19916013]

約数ペア:

[(1, 19916013), (3, 6638671), (13, 1532001), (39, 510667), (127, 156819), (381, 52273), (1651, 12063), (4021, 4953)]