18876928

素因数分解:

$2^9\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 45175680

約数和(自身を除く): 26298752

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 229, 256, 322, 368, 448, 458, 512, 644, 736, 896, 916, 1288, 1472, 1603, 1792, 1832, 2576, 2944, 3206, 3584, 3664, 5152, 5267, 5888, 6412, 7328, 10304, 10534, 11776, 12824, 14656, 20608, 21068, 25648, 29312, 36869, 41216, 42136, 51296, 58624, 73738, 82432, 84272, 102592, 117248, 147476, 168544, 205184, 294952, 337088, 410368, 589904, 674176, 820736, 1179808, 1348352, 2359616, 2696704, 4719232, 9438464, 18876928]

約数ペア:

[(1, 18876928), (2, 9438464), (4, 4719232), (7, 2696704), (8, 2359616), (14, 1348352), (16, 1179808), (23, 820736), (28, 674176), (32, 589904), (46, 410368), (56, 337088), (64, 294952), (92, 205184), (112, 168544), (128, 147476), (161, 117248), (184, 102592), (224, 84272), (229, 82432), (256, 73738), (322, 58624), (368, 51296), (448, 42136), (458, 41216), (512, 36869), (644, 29312), (736, 25648), (896, 21068), (916, 20608), (1288, 14656), (1472, 12824), (1603, 11776), (1792, 10534), (1832, 10304), (2576, 7328), (2944, 6412), (3206, 5888), (3584, 5267), (3664, 5152)]