19435220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4787}}^1$

素因数の和:4832

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28827820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4787, 9574, 19148, 23935, 33509, 47870, 67018, 95740, 134036, 138823, 167545, 277646, 335090, 555292, 670180, 694115, 971761, 1388230, 1943522, 2776460, 3887044, 4858805, 9717610, 19435220]

約数ペア:

[(1, 19435220), (2, 9717610), (4, 4858805), (5, 3887044), (7, 2776460), (10, 1943522), (14, 1388230), (20, 971761), (28, 694115), (29, 670180), (35, 555292), (58, 335090), (70, 277646), (116, 167545), (140, 138823), (145, 134036), (203, 95740), (290, 67018), (406, 47870), (580, 33509), (812, 23935), (1015, 19148), (2030, 9574), (4060, 4787)]