2019011375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{25679}}^1$

素因数の和:25748

約数の個数: 32

約数和(自身を含む): 2740158720

約数和(自身を除く): 721147345

約数列:

[1, 5, 17, 25, 37, 85, 125, 185, 425, 629, 925, 2125, 3145, 4625, 15725, 25679, 78625, 128395, 436543, 641975, 950123, 2182715, 3209875, 4750615, 10913575, 16152091, 23753075, 54567875, 80760455, 118765375, 403802275, 2019011375]

約数ペア:

[(1, 2019011375), (5, 403802275), (17, 118765375), (25, 80760455), (37, 54567875), (85, 23753075), (125, 16152091), (185, 10913575), (425, 4750615), (629, 3209875), (925, 2182715), (2125, 950123), (3145, 641975), (4625, 436543), (15725, 128395), (25679, 78625)]