2019999890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{9007}}^1$

素因数の和:9602

約数の個数: 32

約数和(自身を含む): 3731906304

約数和(自身を除く): 1711906414

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 547, 1094, 2735, 5470, 9007, 18014, 22427, 44854, 45035, 90070, 112135, 224270, 369287, 738574, 1846435, 3692870, 4926829, 9853658, 24634145, 49268290, 201999989, 403999978, 1009999945, 2019999890]

約数ペア:

[(1, 2019999890), (2, 1009999945), (5, 403999978), (10, 201999989), (41, 49268290), (82, 24634145), (205, 9853658), (410, 4926829), (547, 3692870), (1094, 1846435), (2735, 738574), (5470, 369287), (9007, 224270), (18014, 112135), (22427, 90070), (44854, 45035)]