19942590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 51321600

約数和(自身を除く): 31379010

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 59, 95, 114, 118, 177, 190, 285, 295, 354, 570, 590, 593, 885, 1121, 1186, 1770, 1779, 2242, 2965, 3363, 3558, 5605, 5930, 6726, 8895, 11210, 11267, 16815, 17790, 22534, 33630, 33801, 34987, 56335, 67602, 69974, 104961, 112670, 169005, 174935, 209922, 338010, 349870, 524805, 664753, 1049610, 1329506, 1994259, 3323765, 3988518, 6647530, 9971295, 19942590]

約数ペア:

[(1, 19942590), (2, 9971295), (3, 6647530), (5, 3988518), (6, 3323765), (10, 1994259), (15, 1329506), (19, 1049610), (30, 664753), (38, 524805), (57, 349870), (59, 338010), (95, 209922), (114, 174935), (118, 169005), (177, 112670), (190, 104961), (285, 69974), (295, 67602), (354, 56335), (570, 34987), (590, 33801), (593, 33630), (885, 22534), (1121, 17790), (1186, 16815), (1770, 11267), (1779, 11210), (2242, 8895), (2965, 6726), (3363, 5930), (3558, 5605)]