18788168

素因数分解:

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

素因数の和:235

約数の個数: 64

約数和(自身を含む): 42336000

約数和(自身を除く): 23547832

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 167, 196, 287, 328, 334, 343, 392, 574, 668, 686, 1148, 1169, 1336, 1372, 2009, 2296, 2338, 2744, 4018, 4676, 6847, 8036, 8183, 9352, 13694, 14063, 16072, 16366, 27388, 28126, 32732, 47929, 54776, 56252, 57281, 65464, 95858, 112504, 114562, 191716, 229124, 335503, 383432, 458248, 671006, 1342012, 2348521, 2684024, 4697042, 9394084, 18788168]

約数ペア:

[(1, 18788168), (2, 9394084), (4, 4697042), (7, 2684024), (8, 2348521), (14, 1342012), (28, 671006), (41, 458248), (49, 383432), (56, 335503), (82, 229124), (98, 191716), (164, 114562), (167, 112504), (196, 95858), (287, 65464), (328, 57281), (334, 56252), (343, 54776), (392, 47929), (574, 32732), (668, 28126), (686, 27388), (1148, 16366), (1169, 16072), (1336, 14063), (1372, 13694), (2009, 9352), (2296, 8183), (2338, 8036), (2744, 6847), (4018, 4676)]