18785984

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2207}}^1$

素因数の和:2245

約数の個数: 56

約数和(自身を含む): 44866560

約数和(自身を除く): 26080576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2207, 4256, 4414, 8512, 8828, 15449, 17656, 30898, 35312, 41933, 61796, 70624, 83866, 123592, 141248, 167732, 247184, 293531, 335464, 494368, 587062, 670928, 988736, 1174124, 1341856, 2348248, 2683712, 4696496, 9392992, 18785984]

約数ペア:

[(1, 18785984), (2, 9392992), (4, 4696496), (7, 2683712), (8, 2348248), (14, 1341856), (16, 1174124), (19, 988736), (28, 670928), (32, 587062), (38, 494368), (56, 335464), (64, 293531), (76, 247184), (112, 167732), (133, 141248), (152, 123592), (224, 83866), (266, 70624), (304, 61796), (448, 41933), (532, 35312), (608, 30898), (1064, 17656), (1216, 15449), (2128, 8828), (2207, 8512), (4256, 4414)]