19829498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6997}}^1$

素因数の和:7121

約数の個数: 16

約数和(自身を含む): 32330760

約数和(自身を除く): 12501262

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6997, 13994, 90961, 181922, 762673, 1525346, 9914749, 19829498]

約数ペア:

[(1, 19829498), (2, 9914749), (13, 1525346), (26, 762673), (109, 181922), (218, 90961), (1417, 13994), (2834, 6997)]