19975086

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1827

約数の個数: 48

約数和(自身を含む): 46859904

約数和(自身を除く): 26884818

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1787, 1863, 3574, 3726, 5361, 5589, 10722, 11178, 16083, 32166, 41101, 48249, 82202, 96498, 123303, 144747, 246606, 289494, 369909, 434241, 739818, 868482, 1109727, 2219454, 3329181, 6658362, 9987543, 19975086]

約数ペア:

[(1, 19975086), (2, 9987543), (3, 6658362), (6, 3329181), (9, 2219454), (18, 1109727), (23, 868482), (27, 739818), (46, 434241), (54, 369909), (69, 289494), (81, 246606), (138, 144747), (162, 123303), (207, 96498), (243, 82202), (414, 48249), (486, 41101), (621, 32166), (1242, 16083), (1787, 11178), (1863, 10722), (3574, 5589), (3726, 5361)]