19447430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 16494970

約数列:

[1, 2, 5, 10, 79, 103, 158, 206, 239, 395, 478, 515, 790, 1030, 1195, 2390, 8137, 16274, 18881, 24617, 37762, 40685, 49234, 81370, 94405, 123085, 188810, 246170, 1944743, 3889486, 9723715, 19447430]

約数ペア:

[(1, 19447430), (2, 9723715), (5, 3889486), (10, 1944743), (79, 246170), (103, 188810), (158, 123085), (206, 94405), (239, 81370), (395, 49234), (478, 40685), (515, 37762), (790, 24617), (1030, 18881), (1195, 16274), (2390, 8137)]