18645248

素因数分解:

$2^8\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 37521708

約数和(自身を除く): 18876460

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 173, 256, 346, 421, 692, 842, 1384, 1684, 2768, 3368, 5536, 6736, 11072, 13472, 22144, 26944, 44288, 53888, 72833, 107776, 145666, 291332, 582664, 1165328, 2330656, 4661312, 9322624, 18645248]

約数ペア:

[(1, 18645248), (2, 9322624), (4, 4661312), (8, 2330656), (16, 1165328), (32, 582664), (64, 291332), (128, 145666), (173, 107776), (256, 72833), (346, 53888), (421, 44288), (692, 26944), (842, 22144), (1384, 13472), (1684, 11072), (2768, 6736), (3368, 5536)]