18809415

素因数分解:

$3^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 34358688

約数和(自身を除く): 15549273

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 113, 135, 137, 243, 339, 405, 411, 565, 685, 1017, 1215, 1233, 1695, 2055, 3051, 3699, 5085, 6165, 9153, 11097, 15255, 15481, 18495, 27459, 33291, 45765, 46443, 55485, 77405, 137295, 139329, 166455, 232215, 417987, 696645, 1253961, 2089935, 3761883, 6269805, 18809415]

約数ペア:

[(1, 18809415), (3, 6269805), (5, 3761883), (9, 2089935), (15, 1253961), (27, 696645), (45, 417987), (81, 232215), (113, 166455), (135, 139329), (137, 137295), (243, 77405), (339, 55485), (405, 46443), (411, 45765), (565, 33291), (685, 27459), (1017, 18495), (1215, 15481), (1233, 15255), (1695, 11097), (2055, 9153), (3051, 6165), (3699, 5085)]