18309460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5417}}^1$

素因数の和:5452

約数の個数: 36

約数和(自身を含む): 41642748

約数和(自身を除く): 23333288

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5417, 10834, 21668, 27085, 54170, 70421, 108340, 140842, 281684, 352105, 704210, 915473, 1408420, 1830946, 3661892, 4577365, 9154730, 18309460]

約数ペア:

[(1, 18309460), (2, 9154730), (4, 4577365), (5, 3661892), (10, 1830946), (13, 1408420), (20, 915473), (26, 704210), (52, 352105), (65, 281684), (130, 140842), (169, 108340), (260, 70421), (338, 54170), (676, 27085), (845, 21668), (1690, 10834), (3380, 5417)]