19427690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{102251}}^1$

素因数の和:102277

約数の個数: 16

約数和(自身を含む): 36810720

約数和(自身を除く): 17383030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 102251, 204502, 511255, 1022510, 1942769, 3885538, 9713845, 19427690]

約数ペア:

[(1, 19427690), (2, 9713845), (5, 3885538), (10, 1942769), (19, 1022510), (38, 511255), (95, 204502), (190, 102251)]