19484972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3863}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 37109856

約数和(自身を除く): 17624884

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 3863, 5044, 7726, 15452, 50219, 100438, 200876, 374711, 749422, 1498844, 4871243, 9742486, 19484972]

約数ペア:

[(1, 19484972), (2, 9742486), (4, 4871243), (13, 1498844), (26, 749422), (52, 374711), (97, 200876), (194, 100438), (388, 50219), (1261, 15452), (2522, 7726), (3863, 5044)]