19540638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{739}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 46060560

約数和(自身を除く): 26519922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 113, 117, 226, 234, 339, 678, 739, 1017, 1469, 1478, 2034, 2217, 2938, 4407, 4434, 6651, 8814, 9607, 13221, 13302, 19214, 26442, 28821, 57642, 83507, 86463, 167014, 172926, 250521, 501042, 751563, 1085591, 1503126, 2171182, 3256773, 6513546, 9770319, 19540638]

約数ペア:

[(1, 19540638), (2, 9770319), (3, 6513546), (6, 3256773), (9, 2171182), (13, 1503126), (18, 1085591), (26, 751563), (39, 501042), (78, 250521), (113, 172926), (117, 167014), (226, 86463), (234, 83507), (339, 57642), (678, 28821), (739, 26442), (1017, 19214), (1469, 13302), (1478, 13221), (2034, 9607), (2217, 8814), (2938, 6651), (4407, 4434)]