18083205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 37346400

約数和(自身を除く): 19263195

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 59, 63, 105, 139, 147, 177, 245, 295, 315, 413, 417, 441, 531, 695, 735, 885, 973, 1239, 1251, 2065, 2085, 2205, 2655, 2891, 2919, 3717, 4865, 6195, 6255, 6811, 8201, 8673, 8757, 14455, 14595, 18585, 20433, 24603, 26019, 34055, 41005, 43365, 43785, 57407, 61299, 73809, 102165, 123015, 130095, 172221, 287035, 306495, 369045, 401849, 516663, 861105, 1205547, 2009245, 2583315, 3616641, 6027735, 18083205]

約数ペア:

[(1, 18083205), (3, 6027735), (5, 3616641), (7, 2583315), (9, 2009245), (15, 1205547), (21, 861105), (35, 516663), (45, 401849), (49, 369045), (59, 306495), (63, 287035), (105, 172221), (139, 130095), (147, 123015), (177, 102165), (245, 73809), (295, 61299), (315, 57407), (413, 43785), (417, 43365), (441, 41005), (531, 34055), (695, 26019), (735, 24603), (885, 20433), (973, 18585), (1239, 14595), (1251, 14455), (2065, 8757), (2085, 8673), (2205, 8201), (2655, 6811), (2891, 6255), (2919, 6195), (3717, 4865)]