18774016

素因数分解:

$2^{11}\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 38329200

約数和(自身を除く): 19555184

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 103, 128, 178, 206, 256, 356, 412, 512, 712, 824, 1024, 1424, 1648, 2048, 2848, 3296, 5696, 6592, 9167, 11392, 13184, 18334, 22784, 26368, 36668, 45568, 52736, 73336, 91136, 105472, 146672, 182272, 210944, 293344, 586688, 1173376, 2346752, 4693504, 9387008, 18774016]

約数ペア:

[(1, 18774016), (2, 9387008), (4, 4693504), (8, 2346752), (16, 1173376), (32, 586688), (64, 293344), (89, 210944), (103, 182272), (128, 146672), (178, 105472), (206, 91136), (256, 73336), (356, 52736), (412, 45568), (512, 36668), (712, 26368), (824, 22784), (1024, 18334), (1424, 13184), (1648, 11392), (2048, 9167), (2848, 6592), (3296, 5696)]