638896812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{2802179}}^1$

素因数の和:2802205

約数の個数: 24

約数和(自身を含む): 1569220800

約数和(自身を除く): 930323988

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 2802179, 5604358, 8406537, 11208716, 16813074, 33626148, 53241401, 106482802, 159724203, 212965604, 319448406, 638896812]

約数ペア:

[(1, 638896812), (2, 319448406), (3, 212965604), (4, 159724203), (6, 106482802), (12, 53241401), (19, 33626148), (38, 16813074), (57, 11208716), (76, 8406537), (114, 5604358), (228, 2802179)]