19197395

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 27371520

約数和(自身を除く): 8174125

約数列:

[1, 5, 7, 35, 53, 79, 131, 265, 371, 395, 553, 655, 917, 1855, 2765, 4187, 4585, 6943, 10349, 20935, 29309, 34715, 48601, 51745, 72443, 146545, 243005, 362215, 548497, 2742485, 3839479, 19197395]

約数ペア:

[(1, 19197395), (5, 3839479), (7, 2742485), (35, 548497), (53, 362215), (79, 243005), (131, 146545), (265, 72443), (371, 51745), (395, 48601), (553, 34715), (655, 29309), (917, 20935), (1855, 10349), (2765, 6943), (4187, 4585)]