18929109

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9064491

約数列:

[1, 3, 17, 47, 51, 53, 141, 149, 159, 447, 799, 901, 2397, 2491, 2533, 2703, 7003, 7473, 7599, 7897, 21009, 23691, 42347, 119051, 127041, 134249, 357153, 371159, 402747, 1113477, 6309703, 18929109]

約数ペア:

[(1, 18929109), (3, 6309703), (17, 1113477), (47, 402747), (51, 371159), (53, 357153), (141, 134249), (149, 127041), (159, 119051), (447, 42347), (799, 23691), (901, 21009), (2397, 7897), (2491, 7599), (2533, 7473), (2703, 7003)]