19944028

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:374

約数の個数: 36

約数和(自身を含む): 38235288

約数和(自身を除く): 18291260

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 181, 326, 338, 362, 652, 676, 724, 2119, 2353, 4238, 4706, 8476, 9412, 27547, 29503, 30589, 55094, 59006, 61178, 110188, 118012, 122356, 383539, 767078, 1534156, 4986007, 9972014, 19944028]

約数ペア:

[(1, 19944028), (2, 9972014), (4, 4986007), (13, 1534156), (26, 767078), (52, 383539), (163, 122356), (169, 118012), (181, 110188), (326, 61178), (338, 59006), (362, 55094), (652, 30589), (676, 29503), (724, 27547), (2119, 9412), (2353, 8476), (4238, 4706)]