19429971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 29721600

約数和(自身を除く): 10291629

約数列:

[1, 3, 11, 29, 33, 79, 87, 237, 257, 319, 771, 869, 957, 2291, 2607, 2827, 6873, 7453, 8481, 20303, 22359, 25201, 60909, 75603, 81983, 223333, 245949, 588787, 669999, 1766361, 6476657, 19429971]

約数ペア:

[(1, 19429971), (3, 6476657), (11, 1766361), (29, 669999), (33, 588787), (79, 245949), (87, 223333), (237, 81983), (257, 75603), (319, 60909), (771, 25201), (869, 22359), (957, 20303), (2291, 8481), (2607, 7453), (2827, 6873)]