19305069

素因数分解:

$3^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 30547200

約数和(自身を除く): 11242131

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 257, 343, 511, 771, 1029, 1533, 1799, 3577, 5397, 10731, 12593, 18761, 25039, 37779, 56283, 75117, 88151, 131327, 264453, 393981, 919289, 2757867, 6435023, 19305069]

約数ペア:

[(1, 19305069), (3, 6435023), (7, 2757867), (21, 919289), (49, 393981), (73, 264453), (147, 131327), (219, 88151), (257, 75117), (343, 56283), (511, 37779), (771, 25039), (1029, 18761), (1533, 12593), (1799, 10731), (3577, 5397)]