13778990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1543}}^1$

素因数の和:1616

約数の個数: 32

約数和(自身を含む): 26680320

約数和(自身を除く): 12901330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1543, 1786, 3086, 4465, 7715, 8930, 15430, 29317, 58634, 72521, 145042, 146585, 293170, 362605, 725210, 1377899, 2755798, 6889495, 13778990]

約数ペア:

[(1, 13778990), (2, 6889495), (5, 2755798), (10, 1377899), (19, 725210), (38, 362605), (47, 293170), (94, 146585), (95, 145042), (190, 72521), (235, 58634), (470, 29317), (893, 15430), (1543, 8930), (1786, 7715), (3086, 4465)]