18283778

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:793

約数の個数: 16

約数和(自身を含む): 27967680

約数和(自身を除く): 9683902

約数列:

[1, 2, 71, 142, 331, 389, 662, 778, 23501, 27619, 47002, 55238, 128759, 257518, 9141889, 18283778]

約数ペア:

[(1, 18283778), (2, 9141889), (71, 257518), (142, 128759), (331, 55238), (389, 47002), (662, 27619), (778, 23501)]