19847738

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{4261}}^1$

素因数の和:4417

約数の個数: 16

約数和(自身を含む): 31760424

約数和(自身を除く): 11912686

約数列:

[1, 2, 17, 34, 137, 274, 2329, 4261, 4658, 8522, 72437, 144874, 583757, 1167514, 9923869, 19847738]

約数ペア:

[(1, 19847738), (2, 9923869), (17, 1167514), (34, 583757), (137, 144874), (274, 72437), (2329, 8522), (4261, 4658)]