19740370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151849}}^1$

素因数の和:151869

約数の個数: 16

約数和(自身を含む): 38266200

約数和(自身を除く): 18525830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151849, 303698, 759245, 1518490, 1974037, 3948074, 9870185, 19740370]

約数ペア:

[(1, 19740370), (2, 9870185), (5, 3948074), (10, 1974037), (13, 1518490), (26, 759245), (65, 303698), (130, 151849)]