19165737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 9058263

約数列:

[1, 3, 19, 41, 57, 59, 123, 139, 177, 417, 779, 1121, 2337, 2419, 2641, 3363, 5699, 7257, 7923, 8201, 17097, 24603, 45961, 108281, 137883, 155819, 324843, 336241, 467457, 1008723, 6388579, 19165737]

約数ペア:

[(1, 19165737), (3, 6388579), (19, 1008723), (41, 467457), (57, 336241), (59, 324843), (123, 155819), (139, 137883), (177, 108281), (417, 45961), (779, 24603), (1121, 17097), (2337, 8201), (2419, 7923), (2641, 7257), (3363, 5699)]