19499090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149993}}^1$

素因数の和:150013

約数の個数: 16

約数和(自身を含む): 37798488

約数和(自身を除く): 18299398

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149993, 299986, 749965, 1499930, 1949909, 3899818, 9749545, 19499090]

約数ペア:

[(1, 19499090), (2, 9749545), (5, 3899818), (10, 1949909), (13, 1499930), (26, 749965), (65, 299986), (130, 149993)]