18621868

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5167}}^1$

素因数の和:5241

約数の個数: 24

約数和(自身を含む): 35163072

約数和(自身を除く): 16541204

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5167, 10334, 20668, 87839, 175678, 273851, 351356, 547702, 1095404, 4655467, 9310934, 18621868]

約数ペア:

[(1, 18621868), (2, 9310934), (4, 4655467), (17, 1095404), (34, 547702), (53, 351356), (68, 273851), (106, 175678), (212, 87839), (901, 20668), (1802, 10334), (3604, 5167)]