19133541

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 33266688

約数和(自身を除く): 14133147

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 97, 101, 217, 279, 291, 303, 651, 679, 707, 873, 909, 1953, 2037, 2121, 3007, 3131, 6111, 6363, 9021, 9393, 9797, 21049, 21917, 27063, 28179, 29391, 63147, 65751, 68579, 88173, 189441, 197253, 205737, 303707, 617211, 911121, 2125949, 2733363, 6377847, 19133541]

約数ペア:

[(1, 19133541), (3, 6377847), (7, 2733363), (9, 2125949), (21, 911121), (31, 617211), (63, 303707), (93, 205737), (97, 197253), (101, 189441), (217, 88173), (279, 68579), (291, 65751), (303, 63147), (651, 29391), (679, 28179), (707, 27063), (873, 21917), (909, 21049), (1953, 9797), (2037, 9393), (2121, 9021), (3007, 6363), (3131, 6111)]