18101965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 26449920

約数和(自身を除く): 8347955

約数列:

[1, 5, 7, 19, 35, 95, 133, 163, 167, 665, 815, 835, 1141, 1169, 3097, 3173, 5705, 5845, 15485, 15865, 21679, 22211, 27221, 108395, 111055, 136105, 190547, 517199, 952735, 2585995, 3620393, 18101965]

約数ペア:

[(1, 18101965), (5, 3620393), (7, 2585995), (19, 952735), (35, 517199), (95, 190547), (133, 136105), (163, 111055), (167, 108395), (665, 27221), (815, 22211), (835, 21679), (1141, 15865), (1169, 15485), (3097, 5845), (3173, 5705)]