19689362

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18231598

約数列:

[1, 2, 7, 11, 14, 22, 59, 77, 118, 121, 154, 197, 242, 394, 413, 649, 826, 847, 1298, 1379, 1694, 2167, 2758, 4334, 4543, 7139, 9086, 11623, 14278, 15169, 23246, 23837, 30338, 47674, 49973, 81361, 99946, 127853, 162722, 166859, 255706, 333718, 894971, 1406383, 1789942, 2812766, 9844681, 19689362]

約数ペア:

[(1, 19689362), (2, 9844681), (7, 2812766), (11, 1789942), (14, 1406383), (22, 894971), (59, 333718), (77, 255706), (118, 166859), (121, 162722), (154, 127853), (197, 99946), (242, 81361), (394, 49973), (413, 47674), (649, 30338), (826, 23837), (847, 23246), (1298, 15169), (1379, 14278), (1694, 11623), (2167, 9086), (2758, 7139), (4334, 4543)]