19777528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{145423}}^1$

素因数の和:145446

約数の個数: 16

約数和(自身を含む): 39264480

約数和(自身を除く): 19486952

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 145423, 290846, 581692, 1163384, 2472191, 4944382, 9888764, 19777528]

約数ペア:

[(1, 19777528), (2, 9888764), (4, 4944382), (8, 2472191), (17, 1163384), (34, 581692), (68, 290846), (136, 145423)]