19781088

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5569}}^1$

素因数の和:5619

約数の個数: 48

約数和(自身を含む): 53338320

約数和(自身を除く): 33557232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 592, 888, 1184, 1776, 3552, 5569, 11138, 16707, 22276, 33414, 44552, 66828, 89104, 133656, 178208, 206053, 267312, 412106, 534624, 618159, 824212, 1236318, 1648424, 2472636, 3296848, 4945272, 6593696, 9890544, 19781088]

約数ペア:

[(1, 19781088), (2, 9890544), (3, 6593696), (4, 4945272), (6, 3296848), (8, 2472636), (12, 1648424), (16, 1236318), (24, 824212), (32, 618159), (37, 534624), (48, 412106), (74, 267312), (96, 206053), (111, 178208), (148, 133656), (222, 89104), (296, 66828), (444, 44552), (592, 33414), (888, 22276), (1184, 16707), (1776, 11138), (3552, 5569)]