19793408

素因数分解:

$2^9\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 40

約数和(自身を含む): 40207992

約数和(自身を除く): 20414584

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 512, 536, 577, 1072, 1154, 2144, 2308, 4288, 4616, 8576, 9232, 17152, 18464, 34304, 36928, 38659, 73856, 77318, 147712, 154636, 295424, 309272, 618544, 1237088, 2474176, 4948352, 9896704, 19793408]

約数ペア:

[(1, 19793408), (2, 9896704), (4, 4948352), (8, 2474176), (16, 1237088), (32, 618544), (64, 309272), (67, 295424), (128, 154636), (134, 147712), (256, 77318), (268, 73856), (512, 38659), (536, 36928), (577, 34304), (1072, 18464), (1154, 17152), (2144, 9232), (2308, 8576), (4288, 4616)]