18589568

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{8543}}^1$

素因数の和:8574

約数の個数: 32

約数和(自身を含む): 39216960

約数和(自身を除く): 20627392

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 8543, 17086, 34172, 68344, 136688, 145231, 273376, 290462, 546752, 580924, 1093504, 1161848, 2323696, 4647392, 9294784, 18589568]

約数ペア:

[(1, 18589568), (2, 9294784), (4, 4647392), (8, 2323696), (16, 1161848), (17, 1093504), (32, 580924), (34, 546752), (64, 290462), (68, 273376), (128, 145231), (136, 136688), (272, 68344), (544, 34172), (1088, 17086), (2176, 8543)]