19996652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 37867200

約数和(自身を除く): 17870548

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 1609, 3107, 3218, 6214, 6436, 12428, 20917, 41834, 83668, 384551, 769102, 1538204, 4999163, 9998326, 19996652]

約数ペア:

[(1, 19996652), (2, 9998326), (4, 4999163), (13, 1538204), (26, 769102), (52, 384551), (239, 83668), (478, 41834), (956, 20917), (1609, 12428), (3107, 6436), (3218, 6214)]