19620784876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1355401}}^1$

素因数の和:1355470

約数の個数: 48

約数和(自身を含む): 43719846912

約数和(自身を除く): 24099062036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 2068, 3619, 7238, 14476, 1355401, 2710802, 5421604, 9487807, 14909411, 18975614, 29818822, 37951228, 59637644, 63703847, 104365877, 127407694, 208731754, 254815388, 417463508, 445926929, 700742317, 891853858, 1401484634, 1783707716, 2802969268, 4905196219, 9810392438, 19620784876]

約数ペア:

[(1, 19620784876), (2, 9810392438), (4, 4905196219), (7, 2802969268), (11, 1783707716), (14, 1401484634), (22, 891853858), (28, 700742317), (44, 445926929), (47, 417463508), (77, 254815388), (94, 208731754), (154, 127407694), (188, 104365877), (308, 63703847), (329, 59637644), (517, 37951228), (658, 29818822), (1034, 18975614), (1316, 14909411), (2068, 9487807), (3619, 5421604), (7238, 2710802), (14476, 1355401)]