19361868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 46717440

約数和(自身を除く): 27355572

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 239, 258, 314, 471, 478, 516, 628, 717, 942, 956, 1434, 1884, 2868, 6751, 10277, 13502, 20253, 20554, 27004, 30831, 37523, 40506, 41108, 61662, 75046, 81012, 112569, 123324, 150092, 225138, 450276, 1613489, 3226978, 4840467, 6453956, 9680934, 19361868]

約数ペア:

[(1, 19361868), (2, 9680934), (3, 6453956), (4, 4840467), (6, 3226978), (12, 1613489), (43, 450276), (86, 225138), (129, 150092), (157, 123324), (172, 112569), (239, 81012), (258, 75046), (314, 61662), (471, 41108), (478, 40506), (516, 37523), (628, 30831), (717, 27004), (942, 20554), (956, 20253), (1434, 13502), (1884, 10277), (2868, 6751)]