19915376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95747}}^1$

素因数の和:95768

約数の個数: 20

約数和(自身を含む): 41554632

約数和(自身を除く): 21639256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95747, 191494, 382988, 765976, 1244711, 1531952, 2489422, 4978844, 9957688, 19915376]

約数ペア:

[(1, 19915376), (2, 9957688), (4, 4978844), (8, 2489422), (13, 1531952), (16, 1244711), (26, 765976), (52, 382988), (104, 191494), (208, 95747)]