19289578

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 37154880

約数和(自身を除く): 17865302

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 121, 154, 193, 242, 386, 413, 649, 826, 847, 1298, 1351, 1694, 2123, 2702, 4246, 4543, 7139, 9086, 11387, 14278, 14861, 22774, 23353, 29722, 46706, 49973, 79709, 99946, 125257, 159418, 163471, 250514, 326942, 876799, 1377827, 1753598, 2755654, 9644789, 19289578]

約数ペア:

[(1, 19289578), (2, 9644789), (7, 2755654), (11, 1753598), (14, 1377827), (22, 876799), (59, 326942), (77, 250514), (118, 163471), (121, 159418), (154, 125257), (193, 99946), (242, 79709), (386, 49973), (413, 46706), (649, 29722), (826, 23353), (847, 22774), (1298, 14861), (1351, 14278), (1694, 11387), (2123, 9086), (2702, 7139), (4246, 4543)]