19934859

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 32025600

約数和(自身を除く): 12090741

約数列:

[1, 3, 7, 21, 23, 69, 149, 161, 277, 447, 483, 831, 1043, 1939, 3129, 3427, 5817, 6371, 10281, 19113, 23989, 41273, 44597, 71967, 123819, 133791, 288911, 866733, 949279, 2847837, 6644953, 19934859]

約数ペア:

[(1, 19934859), (3, 6644953), (7, 2847837), (21, 949279), (23, 866733), (69, 288911), (149, 133791), (161, 123819), (277, 71967), (447, 44597), (483, 41273), (831, 23989), (1043, 19113), (1939, 10281), (3129, 6371), (3427, 5817)]