19745055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 37773216

約数和(自身を除く): 18028161

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 113, 165, 339, 353, 495, 565, 1017, 1059, 1243, 1695, 1765, 3177, 3729, 3883, 5085, 5295, 6215, 11187, 11649, 15885, 18645, 19415, 34947, 39889, 55935, 58245, 119667, 174735, 199445, 359001, 438779, 598335, 1316337, 1795005, 2193895, 3949011, 6581685, 19745055]

約数ペア:

[(1, 19745055), (3, 6581685), (5, 3949011), (9, 2193895), (11, 1795005), (15, 1316337), (33, 598335), (45, 438779), (55, 359001), (99, 199445), (113, 174735), (165, 119667), (339, 58245), (353, 55935), (495, 39889), (565, 34947), (1017, 19415), (1059, 18645), (1243, 15885), (1695, 11649), (1765, 11187), (3177, 6215), (3729, 5295), (3883, 5085)]