19078528

素因数分解:

$2^7\times 7^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 24985472

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 107, 112, 128, 199, 214, 224, 398, 428, 448, 749, 796, 856, 896, 1393, 1498, 1592, 1712, 2786, 2996, 3184, 3424, 5572, 5992, 6368, 6848, 11144, 11984, 12736, 13696, 21293, 22288, 23968, 25472, 42586, 44576, 47936, 85172, 89152, 95872, 149051, 170344, 178304, 298102, 340688, 596204, 681376, 1192408, 1362752, 2384816, 2725504, 4769632, 9539264, 19078528]

約数ペア:

[(1, 19078528), (2, 9539264), (4, 4769632), (7, 2725504), (8, 2384816), (14, 1362752), (16, 1192408), (28, 681376), (32, 596204), (56, 340688), (64, 298102), (107, 178304), (112, 170344), (128, 149051), (199, 95872), (214, 89152), (224, 85172), (398, 47936), (428, 44576), (448, 42586), (749, 25472), (796, 23968), (856, 22288), (896, 21293), (1393, 13696), (1498, 12736), (1592, 11984), (1712, 11144), (2786, 6848), (2996, 6368), (3184, 5992), (3424, 5572)]