19739746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 34675200

約数和(自身を除く): 14935454

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 1289, 2578, 7657, 15314, 16757, 24491, 33514, 39959, 48982, 79918, 318383, 519467, 636766, 759221, 1038934, 1518442, 9869873, 19739746]

約数ペア:

[(1, 19739746), (2, 9869873), (13, 1518442), (19, 1038934), (26, 759221), (31, 636766), (38, 519467), (62, 318383), (247, 79918), (403, 48982), (494, 39959), (589, 33514), (806, 24491), (1178, 16757), (1289, 15314), (2578, 7657)]