19042555

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8052485

約数列:

[1, 5, 7, 35, 71, 79, 97, 355, 395, 485, 497, 553, 679, 2485, 2765, 3395, 5609, 6887, 7663, 28045, 34435, 38315, 39263, 48209, 53641, 196315, 241045, 268205, 544073, 2720365, 3808511, 19042555]

約数ペア:

[(1, 19042555), (5, 3808511), (7, 2720365), (35, 544073), (71, 268205), (79, 241045), (97, 196315), (355, 53641), (395, 48209), (485, 39263), (497, 38315), (553, 34435), (679, 28045), (2485, 7663), (2765, 6887), (3395, 5609)]