18186868

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 37699200

約数和(自身を除く): 19512332

約数列:

[1, 2, 4, 7, 14, 28, 59, 101, 109, 118, 202, 218, 236, 404, 413, 436, 707, 763, 826, 1414, 1526, 1652, 2828, 3052, 5959, 6431, 11009, 11918, 12862, 22018, 23836, 25724, 41713, 44036, 45017, 77063, 83426, 90034, 154126, 166852, 180068, 308252, 649531, 1299062, 2598124, 4546717, 9093434, 18186868]

約数ペア:

[(1, 18186868), (2, 9093434), (4, 4546717), (7, 2598124), (14, 1299062), (28, 649531), (59, 308252), (101, 180068), (109, 166852), (118, 154126), (202, 90034), (218, 83426), (236, 77063), (404, 45017), (413, 44036), (436, 41713), (707, 25724), (763, 23836), (826, 22018), (1414, 12862), (1526, 11918), (1652, 11009), (2828, 6431), (3052, 5959)]