18877108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1667}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 35028000

約数和(自身を除く): 16150892

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1667, 2831, 3334, 5662, 6668, 11324, 31673, 63346, 126692, 248383, 496766, 993532, 4719277, 9438554, 18877108]

約数ペア:

[(1, 18877108), (2, 9438554), (4, 4719277), (19, 993532), (38, 496766), (76, 248383), (149, 126692), (298, 63346), (596, 31673), (1667, 11324), (2831, 6668), (3334, 5662)]