19708216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{797}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 40506480

約数和(自身を除く): 20798264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 281, 562, 797, 1124, 1594, 2248, 3091, 3188, 6182, 6376, 8767, 12364, 17534, 24728, 35068, 70136, 223957, 447914, 895828, 1791656, 2463527, 4927054, 9854108, 19708216]

約数ペア:

[(1, 19708216), (2, 9854108), (4, 4927054), (8, 2463527), (11, 1791656), (22, 895828), (44, 447914), (88, 223957), (281, 70136), (562, 35068), (797, 24728), (1124, 17534), (1594, 12364), (2248, 8767), (3091, 6376), (3188, 6182)]