19756395

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15139}}^1$

素因数の和:15179

約数の個数: 24

約数和(自身を含む): 35427600

約数和(自身を除く): 15671205

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15139, 45417, 75695, 136251, 227085, 439031, 681255, 1317093, 2195155, 3951279, 6585465, 19756395]

約数ペア:

[(1, 19756395), (3, 6585465), (5, 3951279), (9, 2195155), (15, 1317093), (29, 681255), (45, 439031), (87, 227085), (145, 136251), (261, 75695), (435, 45417), (1305, 15139)]