17884130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 38016000

約数和(自身を除く): 20131870

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 43, 55, 86, 95, 110, 190, 199, 209, 215, 398, 418, 430, 473, 817, 946, 995, 1045, 1634, 1990, 2090, 2189, 2365, 3781, 4085, 4378, 4730, 7562, 8170, 8557, 8987, 10945, 17114, 17974, 18905, 21890, 37810, 41591, 42785, 44935, 83182, 85570, 89870, 94127, 162583, 188254, 207955, 325166, 415910, 470635, 812915, 941270, 1625830, 1788413, 3576826, 8942065, 17884130]

約数ペア:

[(1, 17884130), (2, 8942065), (5, 3576826), (10, 1788413), (11, 1625830), (19, 941270), (22, 812915), (38, 470635), (43, 415910), (55, 325166), (86, 207955), (95, 188254), (110, 162583), (190, 94127), (199, 89870), (209, 85570), (215, 83182), (398, 44935), (418, 42785), (430, 41591), (473, 37810), (817, 21890), (946, 18905), (995, 17974), (1045, 17114), (1634, 10945), (1990, 8987), (2090, 8557), (2189, 8170), (2365, 7562), (3781, 4730), (4085, 4378)]