18740268

素因数分解:

$2^2\times 3^3\times {\mathrm{73}}^1\times {\mathrm{2377}}^1$

素因数の和:2463

約数の個数: 48

約数和(自身を含む): 49272160

約数和(自身を除く): 30531892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 108, 146, 219, 292, 438, 657, 876, 1314, 1971, 2377, 2628, 3942, 4754, 7131, 7884, 9508, 14262, 21393, 28524, 42786, 64179, 85572, 128358, 173521, 256716, 347042, 520563, 694084, 1041126, 1561689, 2082252, 3123378, 4685067, 6246756, 9370134, 18740268]

約数ペア:

[(1, 18740268), (2, 9370134), (3, 6246756), (4, 4685067), (6, 3123378), (9, 2082252), (12, 1561689), (18, 1041126), (27, 694084), (36, 520563), (54, 347042), (73, 256716), (108, 173521), (146, 128358), (219, 85572), (292, 64179), (438, 42786), (657, 28524), (876, 21393), (1314, 14262), (1971, 9508), (2377, 7884), (2628, 7131), (3942, 4754)]