18696704

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:137

約数の個数: 60

約数和(自身を含む): 41003886

約数和(自身を除く): 22307182

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 256, 416, 424, 512, 689, 832, 848, 1378, 1664, 1696, 2756, 2809, 3328, 3392, 5512, 5618, 6656, 6784, 11024, 11236, 13568, 22048, 22472, 27136, 36517, 44096, 44944, 73034, 88192, 89888, 146068, 176384, 179776, 292136, 352768, 359552, 584272, 719104, 1168544, 1438208, 2337088, 4674176, 9348352, 18696704]

約数ペア:

[(1, 18696704), (2, 9348352), (4, 4674176), (8, 2337088), (13, 1438208), (16, 1168544), (26, 719104), (32, 584272), (52, 359552), (53, 352768), (64, 292136), (104, 179776), (106, 176384), (128, 146068), (208, 89888), (212, 88192), (256, 73034), (416, 44944), (424, 44096), (512, 36517), (689, 27136), (832, 22472), (848, 22048), (1378, 13568), (1664, 11236), (1696, 11024), (2756, 6784), (2809, 6656), (3328, 5618), (3392, 5512)]