18252087

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 30578688

約数和(自身を除く): 12326601

約数列:

[1, 3, 7, 21, 23, 31, 53, 69, 93, 159, 161, 217, 371, 483, 529, 651, 713, 1113, 1219, 1587, 1643, 2139, 3657, 3703, 4929, 4991, 8533, 11109, 11501, 14973, 16399, 25599, 28037, 34503, 37789, 49197, 84111, 113367, 114793, 196259, 264523, 344379, 588777, 793569, 869147, 2607441, 6084029, 18252087]

約数ペア:

[(1, 18252087), (3, 6084029), (7, 2607441), (21, 869147), (23, 793569), (31, 588777), (53, 344379), (69, 264523), (93, 196259), (159, 114793), (161, 113367), (217, 84111), (371, 49197), (483, 37789), (529, 34503), (651, 28037), (713, 25599), (1113, 16399), (1219, 14973), (1587, 11501), (1643, 11109), (2139, 8533), (3657, 4991), (3703, 4929)]