19730645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 7917355

約数列:

[1, 5, 11, 19, 55, 79, 95, 209, 239, 395, 869, 1045, 1195, 1501, 2629, 4345, 4541, 7505, 13145, 16511, 18881, 22705, 49951, 82555, 94405, 207691, 249755, 358739, 1038455, 1793695, 3946129, 19730645]

約数ペア:

[(1, 19730645), (5, 3946129), (11, 1793695), (19, 1038455), (55, 358739), (79, 249755), (95, 207691), (209, 94405), (239, 82555), (395, 49951), (869, 22705), (1045, 18881), (1195, 16511), (1501, 13145), (2629, 7505), (4345, 4541)]