19887686

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4751}}^1$

素因数の和:4796

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 18432442

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4751, 9502, 33257, 61763, 66514, 109273, 123526, 218546, 432341, 764911, 864682, 1420549, 1529822, 2841098, 9943843, 19887686]

約数ペア:

[(1, 19887686), (2, 9943843), (7, 2841098), (13, 1529822), (14, 1420549), (23, 864682), (26, 764911), (46, 432341), (91, 218546), (161, 123526), (182, 109273), (299, 66514), (322, 61763), (598, 33257), (2093, 9502), (4186, 4751)]