19460295

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 35212320

約数和(自身を除く): 15752025

約数列:

[1, 3, 5, 9, 15, 43, 45, 89, 113, 129, 215, 267, 339, 387, 445, 565, 645, 801, 1017, 1335, 1695, 1935, 3827, 4005, 4859, 5085, 10057, 11481, 14577, 19135, 24295, 30171, 34443, 43731, 50285, 57405, 72885, 90513, 150855, 172215, 218655, 432451, 452565, 1297353, 2162255, 3892059, 6486765, 19460295]

約数ペア:

[(1, 19460295), (3, 6486765), (5, 3892059), (9, 2162255), (15, 1297353), (43, 452565), (45, 432451), (89, 218655), (113, 172215), (129, 150855), (215, 90513), (267, 72885), (339, 57405), (387, 50285), (445, 43731), (565, 34443), (645, 30171), (801, 24295), (1017, 19135), (1335, 14577), (1695, 11481), (1935, 10057), (3827, 5085), (4005, 4859)]