19330311

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 35675136

約数和(自身を除く): 16344825

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 41, 77, 91, 123, 143, 157, 231, 273, 287, 429, 451, 471, 533, 861, 1001, 1099, 1353, 1599, 1727, 2041, 3003, 3157, 3297, 3731, 5181, 5863, 6123, 6437, 9471, 11193, 12089, 14287, 17589, 19311, 22451, 36267, 41041, 42861, 45059, 67353, 70807, 83681, 123123, 135177, 157157, 212421, 251043, 471471, 495649, 585767, 920491, 1486947, 1757301, 2761473, 6443437, 19330311]

約数ペア:

[(1, 19330311), (3, 6443437), (7, 2761473), (11, 1757301), (13, 1486947), (21, 920491), (33, 585767), (39, 495649), (41, 471471), (77, 251043), (91, 212421), (123, 157157), (143, 135177), (157, 123123), (231, 83681), (273, 70807), (287, 67353), (429, 45059), (451, 42861), (471, 41041), (533, 36267), (861, 22451), (1001, 19311), (1099, 17589), (1353, 14287), (1599, 12089), (1727, 11193), (2041, 9471), (3003, 6437), (3157, 6123), (3297, 5863), (3731, 5181)]