18953968545

素因数分解:

$3^3\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{127289}}^1$

素因数の和:128406

約数の個数: 32

約数和(自身を含む): 33726758400

約数和(自身を除く): 14772789855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1103, 3309, 5515, 9927, 16545, 29781, 49635, 127289, 148905, 381867, 636445, 1145601, 1909335, 3436803, 5728005, 17184015, 140399767, 421199301, 701998835, 1263597903, 2105996505, 3790793709, 6317989515, 18953968545]

約数ペア:

[(1, 18953968545), (3, 6317989515), (5, 3790793709), (9, 2105996505), (15, 1263597903), (27, 701998835), (45, 421199301), (135, 140399767), (1103, 17184015), (3309, 5728005), (5515, 3436803), (9927, 1909335), (16545, 1145601), (29781, 636445), (49635, 381867), (127289, 148905)]