18873699

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 9640605

約数列:

[1, 3, 13, 31, 39, 67, 93, 201, 233, 403, 699, 871, 1209, 2077, 2613, 3029, 6231, 7223, 9087, 15611, 21669, 27001, 46833, 81003, 93899, 202943, 281697, 483941, 608829, 1451823, 6291233, 18873699]

約数ペア:

[(1, 18873699), (3, 6291233), (13, 1451823), (31, 608829), (39, 483941), (67, 281697), (93, 202943), (201, 93899), (233, 81003), (403, 46833), (699, 27001), (871, 21669), (1209, 15611), (2077, 9087), (2613, 7223), (3029, 6231)]