19343504

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:759

約数の個数: 40

約数和(自身を含む): 39402240

約数和(自身を除く): 20058736

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 118, 124, 236, 248, 472, 496, 661, 944, 1322, 1829, 2644, 3658, 5288, 7316, 10576, 14632, 20491, 29264, 38999, 40982, 77998, 81964, 155996, 163928, 311992, 327856, 623984, 1208969, 2417938, 4835876, 9671752, 19343504]

約数ペア:

[(1, 19343504), (2, 9671752), (4, 4835876), (8, 2417938), (16, 1208969), (31, 623984), (59, 327856), (62, 311992), (118, 163928), (124, 155996), (236, 81964), (248, 77998), (472, 40982), (496, 38999), (661, 29264), (944, 20491), (1322, 14632), (1829, 10576), (2644, 7316), (3658, 5288)]