19968182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 33929280

約数和(自身を除く): 13961098

約数列:

[1, 2, 13, 26, 29, 58, 71, 142, 373, 377, 746, 754, 923, 1846, 2059, 4118, 4849, 9698, 10817, 21634, 26483, 26767, 52966, 53534, 140621, 281242, 344279, 688558, 768007, 1536014, 9984091, 19968182]

約数ペア:

[(1, 19968182), (2, 9984091), (13, 1536014), (26, 768007), (29, 688558), (58, 344279), (71, 281242), (142, 140621), (373, 53534), (377, 52966), (746, 26767), (754, 26483), (923, 21634), (1846, 10817), (2059, 9698), (4118, 4849)]