19120784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{70297}}^1$

素因数の和:70322

約数の個数: 20

約数和(自身を含む): 39226284

約数和(自身を除く): 20105500

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 70297, 140594, 281188, 562376, 1124752, 1195049, 2390098, 4780196, 9560392, 19120784]

約数ペア:

[(1, 19120784), (2, 9560392), (4, 4780196), (8, 2390098), (16, 1195049), (17, 1124752), (34, 562376), (68, 281188), (136, 140594), (272, 70297)]