19226220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^2$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 58346064

約数和(自身を除く): 39119844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 471, 628, 780, 785, 942, 1570, 1884, 2041, 2355, 3140, 4082, 4710, 6123, 8164, 9420, 10205, 12246, 20410, 24492, 24649, 30615, 40820, 49298, 61230, 73947, 98596, 122460, 123245, 147894, 246490, 295788, 320437, 369735, 492980, 640874, 739470, 961311, 1281748, 1478940, 1602185, 1922622, 3204370, 3845244, 4806555, 6408740, 9613110, 19226220]

約数ペア:

[(1, 19226220), (2, 9613110), (3, 6408740), (4, 4806555), (5, 3845244), (6, 3204370), (10, 1922622), (12, 1602185), (13, 1478940), (15, 1281748), (20, 961311), (26, 739470), (30, 640874), (39, 492980), (52, 369735), (60, 320437), (65, 295788), (78, 246490), (130, 147894), (156, 123245), (157, 122460), (195, 98596), (260, 73947), (314, 61230), (390, 49298), (471, 40820), (628, 30615), (780, 24649), (785, 24492), (942, 20410), (1570, 12246), (1884, 10205), (2041, 9420), (2355, 8164), (3140, 6123), (4082, 4710)]