18889836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{4243}}^1$

素因数の和:4310

約数の個数: 48

約数和(自身を含む): 51335424

約数和(自身を除く): 32445588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 53, 84, 106, 159, 212, 318, 371, 636, 742, 1113, 1484, 2226, 4243, 4452, 8486, 12729, 16972, 25458, 29701, 50916, 59402, 89103, 118804, 178206, 224879, 356412, 449758, 674637, 899516, 1349274, 1574153, 2698548, 3148306, 4722459, 6296612, 9444918, 18889836]

約数ペア:

[(1, 18889836), (2, 9444918), (3, 6296612), (4, 4722459), (6, 3148306), (7, 2698548), (12, 1574153), (14, 1349274), (21, 899516), (28, 674637), (42, 449758), (53, 356412), (84, 224879), (106, 178206), (159, 118804), (212, 89103), (318, 59402), (371, 50916), (636, 29701), (742, 25458), (1113, 16972), (1484, 12729), (2226, 8486), (4243, 4452)]