18488043

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 13523157

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 113, 147, 159, 339, 343, 371, 441, 477, 791, 1017, 1029, 1113, 2373, 2597, 3087, 3339, 5537, 5989, 7119, 7791, 16611, 17967, 18179, 23373, 38759, 41923, 49833, 53901, 54537, 116277, 125769, 163611, 293461, 348831, 377307, 880383, 2054227, 2641149, 6162681, 18488043]

約数ペア:

[(1, 18488043), (3, 6162681), (7, 2641149), (9, 2054227), (21, 880383), (49, 377307), (53, 348831), (63, 293461), (113, 163611), (147, 125769), (159, 116277), (339, 54537), (343, 53901), (371, 49833), (441, 41923), (477, 38759), (791, 23373), (1017, 18179), (1029, 17967), (1113, 16611), (2373, 7791), (2597, 7119), (3087, 5989), (3339, 5537)]