15998950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1573

約数の個数: 48

約数和(自身を含む): 34194240

約数和(自身を除く): 18195290

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1531, 2090, 3062, 5225, 7655, 10450, 15310, 16841, 29089, 33682, 38275, 58178, 76550, 84205, 145445, 168410, 290890, 319979, 421025, 639958, 727225, 842050, 1454450, 1599895, 3199790, 7999475, 15998950]

約数ペア:

[(1, 15998950), (2, 7999475), (5, 3199790), (10, 1599895), (11, 1454450), (19, 842050), (22, 727225), (25, 639958), (38, 421025), (50, 319979), (55, 290890), (95, 168410), (110, 145445), (190, 84205), (209, 76550), (275, 58178), (418, 38275), (475, 33682), (550, 29089), (950, 16841), (1045, 15310), (1531, 10450), (2090, 7655), (3062, 5225)]