19772906

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 31872960

約数和(自身を除く): 12100054

約数列:

[1, 2, 41, 59, 61, 67, 82, 118, 122, 134, 2419, 2501, 2747, 3599, 3953, 4087, 4838, 5002, 5494, 7198, 7906, 8174, 147559, 162073, 167567, 241133, 295118, 324146, 335134, 482266, 9886453, 19772906]

約数ペア:

[(1, 19772906), (2, 9886453), (41, 482266), (59, 335134), (61, 324146), (67, 295118), (82, 241133), (118, 167567), (122, 162073), (134, 147559), (2419, 8174), (2501, 7906), (2747, 7198), (3599, 5494), (3953, 5002), (4087, 4838)]