19675733

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 25712640

約数和(自身を除く): 6036907

約数列:

[1, 7, 11, 59, 61, 71, 77, 413, 427, 497, 649, 671, 781, 3599, 4189, 4331, 4543, 4697, 5467, 25193, 29323, 30317, 39589, 46079, 47641, 255529, 277123, 322553, 333487, 1788703, 2810819, 19675733]

約数ペア:

[(1, 19675733), (7, 2810819), (11, 1788703), (59, 333487), (61, 322553), (71, 277123), (77, 255529), (413, 47641), (427, 46079), (497, 39589), (649, 30317), (671, 29323), (781, 25193), (3599, 5467), (4189, 4697), (4331, 4543)]