19808638

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 24

約数和(自身を含む): 32338152

約数和(自身を除く): 12529514

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 797, 1462, 1594, 12427, 13549, 24854, 27098, 34271, 68542, 230333, 460666, 582607, 1165214, 9904319, 19808638]

約数ペア:

[(1, 19808638), (2, 9904319), (17, 1165214), (34, 582607), (43, 460666), (86, 230333), (289, 68542), (578, 34271), (731, 27098), (797, 24854), (1462, 13549), (1594, 12427)]