18257078

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:153

約数の個数: 48

約数和(自身を含む): 34318080

約数和(自身を除く): 16061002

約数列:

[1, 2, 7, 14, 23, 31, 46, 59, 62, 118, 161, 217, 322, 413, 434, 713, 826, 961, 1357, 1426, 1829, 1922, 2714, 3658, 4991, 6727, 9499, 9982, 12803, 13454, 18998, 22103, 25606, 42067, 44206, 56699, 84134, 113398, 154721, 294469, 309442, 396893, 588938, 793786, 1304077, 2608154, 9128539, 18257078]

約数ペア:

[(1, 18257078), (2, 9128539), (7, 2608154), (14, 1304077), (23, 793786), (31, 588938), (46, 396893), (59, 309442), (62, 294469), (118, 154721), (161, 113398), (217, 84134), (322, 56699), (413, 44206), (434, 42067), (713, 25606), (826, 22103), (961, 18998), (1357, 13454), (1426, 12803), (1829, 9982), (1922, 9499), (2714, 6727), (3658, 4991)]