19715853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 9314547

約数列:

[1, 3, 23, 29, 59, 69, 87, 167, 177, 501, 667, 1357, 1711, 2001, 3841, 4071, 4843, 5133, 9853, 11523, 14529, 29559, 39353, 111389, 118059, 226619, 285737, 334167, 679857, 857211, 6571951, 19715853]

約数ペア:

[(1, 19715853), (3, 6571951), (23, 857211), (29, 679857), (59, 334167), (69, 285737), (87, 226619), (167, 118059), (177, 111389), (501, 39353), (667, 29559), (1357, 14529), (1711, 11523), (2001, 9853), (3841, 5133), (4071, 4843)]