20171851923

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{701}}^1\times {\mathrm{1723}}^1$

素因数の和:2739

約数の個数: 32

約数和(自身を含む): 28465032960

約数和(自身を除く): 8293181037

約数列:

[1, 3, 19, 57, 293, 701, 879, 1723, 2103, 5169, 5567, 13319, 16701, 32737, 39957, 98211, 205393, 504839, 616179, 1207823, 1514517, 3623469, 3902467, 9591941, 11707401, 22948637, 28775823, 68845911, 353892139, 1061676417, 6723950641, 20171851923]

約数ペア:

[(1, 20171851923), (3, 6723950641), (19, 1061676417), (57, 353892139), (293, 68845911), (701, 28775823), (879, 22948637), (1723, 11707401), (2103, 9591941), (5169, 3902467), (5567, 3623469), (13319, 1514517), (16701, 1207823), (32737, 616179), (39957, 504839), (98211, 205393)]