19185714

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 44897280

約数和(自身を除く): 25711566

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 73, 93, 146, 157, 186, 219, 279, 314, 438, 471, 558, 657, 837, 942, 1314, 1413, 1674, 1971, 2263, 2826, 3942, 4239, 4526, 4867, 6789, 8478, 9734, 11461, 13578, 14601, 20367, 22922, 29202, 34383, 40734, 43803, 61101, 68766, 87606, 103149, 122202, 131409, 206298, 262818, 309447, 355291, 618894, 710582, 1065873, 2131746, 3197619, 6395238, 9592857, 19185714]

約数ペア:

[(1, 19185714), (2, 9592857), (3, 6395238), (6, 3197619), (9, 2131746), (18, 1065873), (27, 710582), (31, 618894), (54, 355291), (62, 309447), (73, 262818), (93, 206298), (146, 131409), (157, 122202), (186, 103149), (219, 87606), (279, 68766), (314, 61101), (438, 43803), (471, 40734), (558, 34383), (657, 29202), (837, 22922), (942, 20367), (1314, 14601), (1413, 13578), (1674, 11461), (1971, 9734), (2263, 8478), (2826, 6789), (3942, 4867), (4239, 4526)]