18481408

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{6563}}^1$

素因数の和:6590

約数の個数: 36

約数和(自身を含む): 40250448

約数和(自身を除く): 21769040

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 6563, 13126, 26252, 52504, 72193, 105008, 144386, 210016, 288772, 420032, 577544, 840064, 1155088, 1680128, 2310176, 4620352, 9240704, 18481408]

約数ペア:

[(1, 18481408), (2, 9240704), (4, 4620352), (8, 2310176), (11, 1680128), (16, 1155088), (22, 840064), (32, 577544), (44, 420032), (64, 288772), (88, 210016), (128, 144386), (176, 105008), (256, 72193), (352, 52504), (704, 26252), (1408, 13126), (2816, 6563)]