19527417

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 35188608

約数和(自身を除く): 15661191

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 211, 273, 339, 633, 791, 819, 1017, 1469, 1477, 1899, 2373, 2743, 4407, 4431, 7119, 8229, 10283, 13221, 13293, 19201, 23843, 24687, 30849, 57603, 71529, 92547, 166901, 172809, 214587, 309959, 500703, 929877, 1502109, 2169713, 2789631, 6509139, 19527417]

約数ペア:

[(1, 19527417), (3, 6509139), (7, 2789631), (9, 2169713), (13, 1502109), (21, 929877), (39, 500703), (63, 309959), (91, 214587), (113, 172809), (117, 166901), (211, 92547), (273, 71529), (339, 57603), (633, 30849), (791, 24687), (819, 23843), (1017, 19201), (1469, 13293), (1477, 13221), (1899, 10283), (2373, 8229), (2743, 7119), (4407, 4431)]