19399898

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 34940160

約数和(自身を除く): 15540262

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 673, 994, 1346, 2059, 4118, 4711, 9422, 14413, 19517, 28826, 39034, 47783, 95566, 136619, 273238, 334481, 668962, 1385707, 2771414, 9699949, 19399898]

約数ペア:

[(1, 19399898), (2, 9699949), (7, 2771414), (14, 1385707), (29, 668962), (58, 334481), (71, 273238), (142, 136619), (203, 95566), (406, 47783), (497, 39034), (673, 28826), (994, 19517), (1346, 14413), (2059, 9422), (4118, 4711)]