19587584

素因数分解:

$2^9\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 40

約数和(自身を含む): 39790608

約数和(自身を除く): 20203024

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 512, 536, 571, 1072, 1142, 2144, 2284, 4288, 4568, 8576, 9136, 17152, 18272, 34304, 36544, 38257, 73088, 76514, 146176, 153028, 292352, 306056, 612112, 1224224, 2448448, 4896896, 9793792, 19587584]

約数ペア:

[(1, 19587584), (2, 9793792), (4, 4896896), (8, 2448448), (16, 1224224), (32, 612112), (64, 306056), (67, 292352), (128, 153028), (134, 146176), (256, 76514), (268, 73088), (512, 38257), (536, 36544), (571, 34304), (1072, 18272), (1142, 17152), (2144, 9136), (2284, 8576), (4288, 4568)]