19191068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{2039}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 36385440

約数和(自身を除く): 17194372

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 2039, 2353, 4078, 4706, 8156, 9412, 26507, 53014, 106028, 369059, 738118, 1476236, 4797767, 9595534, 19191068]

約数ペア:

[(1, 19191068), (2, 9595534), (4, 4797767), (13, 1476236), (26, 738118), (52, 369059), (181, 106028), (362, 53014), (724, 26507), (2039, 9412), (2353, 8156), (4078, 4706)]