18185622608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1391189}}^1$

素因数の和:1391259

約数の個数: 40

約数和(自身を含む): 37951663200

約数和(自身を除く): 19766040592

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 1391189, 2782378, 5564756, 11129512, 22259024, 26432591, 52865182, 59821127, 105730364, 119642254, 211460728, 239284508, 422921456, 478569016, 957138032, 1136601413, 2273202826, 4546405652, 9092811304, 18185622608]

約数ペア:

[(1, 18185622608), (2, 9092811304), (4, 4546405652), (8, 2273202826), (16, 1136601413), (19, 957138032), (38, 478569016), (43, 422921456), (76, 239284508), (86, 211460728), (152, 119642254), (172, 105730364), (304, 59821127), (344, 52865182), (688, 26432591), (817, 22259024), (1634, 11129512), (3268, 5564756), (6536, 2782378), (13072, 1391189)]