18021304

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22621256

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 47, 56, 82, 94, 164, 167, 188, 287, 328, 329, 334, 376, 574, 658, 668, 1148, 1169, 1316, 1336, 1927, 2296, 2338, 2632, 3854, 4676, 6847, 7708, 7849, 9352, 13489, 13694, 15416, 15698, 26978, 27388, 31396, 47929, 53956, 54776, 54943, 62792, 95858, 107912, 109886, 191716, 219772, 321809, 383432, 439544, 643618, 1287236, 2252663, 2574472, 4505326, 9010652, 18021304]

約数ペア:

[(1, 18021304), (2, 9010652), (4, 4505326), (7, 2574472), (8, 2252663), (14, 1287236), (28, 643618), (41, 439544), (47, 383432), (56, 321809), (82, 219772), (94, 191716), (164, 109886), (167, 107912), (188, 95858), (287, 62792), (328, 54943), (329, 54776), (334, 53956), (376, 47929), (574, 31396), (658, 27388), (668, 26978), (1148, 15698), (1169, 15416), (1316, 13694), (1336, 13489), (1927, 9352), (2296, 7849), (2338, 7708), (2632, 6847), (3854, 4676)]