19484703

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 36492768

約数和(自身を除く): 17008065

約数列:

[1, 3, 7, 9, 17, 21, 23, 49, 51, 63, 69, 113, 119, 147, 153, 161, 207, 339, 357, 391, 441, 483, 791, 833, 1017, 1071, 1127, 1173, 1449, 1921, 2373, 2499, 2599, 2737, 3381, 3519, 5537, 5763, 7119, 7497, 7797, 8211, 10143, 13447, 16611, 17289, 18193, 19159, 23391, 24633, 40341, 44183, 49833, 54579, 57477, 94129, 121023, 127351, 132549, 163737, 172431, 282387, 309281, 382053, 397647, 847161, 927843, 1146159, 2164967, 2783529, 6494901, 19484703]

約数ペア:

[(1, 19484703), (3, 6494901), (7, 2783529), (9, 2164967), (17, 1146159), (21, 927843), (23, 847161), (49, 397647), (51, 382053), (63, 309281), (69, 282387), (113, 172431), (119, 163737), (147, 132549), (153, 127351), (161, 121023), (207, 94129), (339, 57477), (357, 54579), (391, 49833), (441, 44183), (483, 40341), (791, 24633), (833, 23391), (1017, 19159), (1071, 18193), (1127, 17289), (1173, 16611), (1449, 13447), (1921, 10143), (2373, 8211), (2499, 7797), (2599, 7497), (2737, 7119), (3381, 5763), (3519, 5537)]