19994615406

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{7991453}}^1$

素因数の和:7991600

約数の個数: 24

約数和(自身を含む): 43633338840

約数和(自身を除く): 23638723434

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 7991453, 15982906, 23974359, 47948718, 71923077, 143846154, 1110811967, 2221623934, 3332435901, 6664871802, 9997307703, 19994615406]

約数ペア:

[(1, 19994615406), (2, 9997307703), (3, 6664871802), (6, 3332435901), (9, 2221623934), (18, 1110811967), (139, 143846154), (278, 71923077), (417, 47948718), (834, 23974359), (1251, 15982906), (2502, 7991453)]