19220689904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8893}}^1\times {\mathrm{10391}}^1$

素因数の和:19305

約数の個数: 40

約数和(自身を含む): 40113078432

約数和(自身を除く): 20892388528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8893, 10391, 17786, 20782, 35572, 41564, 71144, 83128, 115609, 135083, 142288, 166256, 231218, 270166, 462436, 540332, 924872, 1080664, 1849744, 2161328, 92407163, 184814326, 369628652, 739257304, 1201293119, 1478514608, 2402586238, 4805172476, 9610344952, 19220689904]

約数ペア:

[(1, 19220689904), (2, 9610344952), (4, 4805172476), (8, 2402586238), (13, 1478514608), (16, 1201293119), (26, 739257304), (52, 369628652), (104, 184814326), (208, 92407163), (8893, 2161328), (10391, 1849744), (17786, 1080664), (20782, 924872), (35572, 540332), (41564, 462436), (71144, 270166), (83128, 231218), (115609, 166256), (135083, 142288)]