19778812

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{1021}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 36056160

約数和(自身を除く): 16277348

約数列:

[1, 2, 4, 29, 58, 116, 167, 334, 668, 1021, 2042, 4084, 4843, 9686, 19372, 29609, 59218, 118436, 170507, 341014, 682028, 4944703, 9889406, 19778812]

約数ペア:

[(1, 19778812), (2, 9889406), (4, 4944703), (29, 682028), (58, 341014), (116, 170507), (167, 118436), (334, 59218), (668, 29609), (1021, 19372), (2042, 9686), (4084, 4843)]