19825916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9587}}^1$

素因数の和:9649

約数の個数: 24

約数和(自身を含む): 38658816

約数和(自身を除く): 18832900

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9587, 19174, 38348, 105457, 210914, 421828, 450589, 901178, 1802356, 4956479, 9912958, 19825916]

約数ペア:

[(1, 19825916), (2, 9912958), (4, 4956479), (11, 1802356), (22, 901178), (44, 450589), (47, 421828), (94, 210914), (188, 105457), (517, 38348), (1034, 19174), (2068, 9587)]