19010030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{419}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 37044000

約数和(自身を除く): 18033970

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 419, 698, 838, 1745, 2095, 3490, 4190, 4537, 5447, 9074, 10894, 22685, 27235, 45370, 54470, 146231, 292462, 731155, 1462310, 1901003, 3802006, 9505015, 19010030]

約数ペア:

[(1, 19010030), (2, 9505015), (5, 3802006), (10, 1901003), (13, 1462310), (26, 731155), (65, 292462), (130, 146231), (349, 54470), (419, 45370), (698, 27235), (838, 22685), (1745, 10894), (2095, 9074), (3490, 5447), (4190, 4537)]