19428165

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:794

約数の個数: 48

約数和(自身を含む): 36641280

約数和(自身を除く): 17213115

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 733, 855, 1395, 1767, 2199, 2945, 3665, 5301, 6597, 8835, 10995, 13927, 22723, 26505, 32985, 41781, 68169, 69635, 113615, 125343, 204507, 208905, 340845, 431737, 626715, 1022535, 1295211, 2158685, 3885633, 6476055, 19428165]

約数ペア:

[(1, 19428165), (3, 6476055), (5, 3885633), (9, 2158685), (15, 1295211), (19, 1022535), (31, 626715), (45, 431737), (57, 340845), (93, 208905), (95, 204507), (155, 125343), (171, 113615), (279, 69635), (285, 68169), (465, 41781), (589, 32985), (733, 26505), (855, 22723), (1395, 13927), (1767, 10995), (2199, 8835), (2945, 6597), (3665, 5301)]