19986176

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 48074880

約数和(自身を除く): 28088704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 587, 608, 896, 1064, 1174, 1216, 1792, 2128, 2348, 2432, 4109, 4256, 4696, 4864, 8218, 8512, 9392, 11153, 16436, 17024, 18784, 22306, 32872, 34048, 37568, 44612, 65744, 75136, 78071, 89224, 131488, 150272, 156142, 178448, 262976, 312284, 356896, 525952, 624568, 713792, 1051904, 1249136, 1427584, 2498272, 2855168, 4996544, 9993088, 19986176]

約数ペア:

[(1, 19986176), (2, 9993088), (4, 4996544), (7, 2855168), (8, 2498272), (14, 1427584), (16, 1249136), (19, 1051904), (28, 713792), (32, 624568), (38, 525952), (56, 356896), (64, 312284), (76, 262976), (112, 178448), (128, 156142), (133, 150272), (152, 131488), (224, 89224), (256, 78071), (266, 75136), (304, 65744), (448, 44612), (532, 37568), (587, 34048), (608, 32872), (896, 22306), (1064, 18784), (1174, 17024), (1216, 16436), (1792, 11153), (2128, 9392), (2348, 8512), (2432, 8218), (4109, 4864), (4256, 4696)]