19986196

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1935

約数の個数: 24

約数和(自身を含む): 36529920

約数和(自身を除く): 16543724

約数列:

[1, 2, 4, 31, 62, 89, 124, 178, 356, 1811, 2759, 3622, 5518, 7244, 11036, 56141, 112282, 161179, 224564, 322358, 644716, 4996549, 9993098, 19986196]

約数ペア:

[(1, 19986196), (2, 9993098), (4, 4996549), (31, 644716), (62, 322358), (89, 224564), (124, 161179), (178, 112282), (356, 56141), (1811, 11036), (2759, 7244), (3622, 5518)]