19664658

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4463

約数の個数: 48

約数和(自身を含む): 48310080

約数和(自身を除く): 28645422

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4423, 4446, 8846, 13269, 26538, 39807, 57499, 79614, 84037, 114998, 168074, 172497, 252111, 344994, 504222, 517491, 756333, 1034982, 1092481, 1512666, 2184962, 3277443, 6554886, 9832329, 19664658]

約数ペア:

[(1, 19664658), (2, 9832329), (3, 6554886), (6, 3277443), (9, 2184962), (13, 1512666), (18, 1092481), (19, 1034982), (26, 756333), (38, 517491), (39, 504222), (57, 344994), (78, 252111), (114, 172497), (117, 168074), (171, 114998), (234, 84037), (247, 79614), (342, 57499), (494, 39807), (741, 26538), (1482, 13269), (2223, 8846), (4423, 4446)]