19999936

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{28409}}^1$

素因数の和:28432

約数の個数: 28

約数和(自身を含む): 43296840

約数和(自身を除く): 23296904

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 352, 704, 28409, 56818, 113636, 227272, 312499, 454544, 624998, 909088, 1249996, 1818176, 2499992, 4999984, 9999968, 19999936]

約数ペア:

[(1, 19999936), (2, 9999968), (4, 4999984), (8, 2499992), (11, 1818176), (16, 1249996), (22, 909088), (32, 624998), (44, 454544), (64, 312499), (88, 227272), (176, 113636), (352, 56818), (704, 28409)]