12689644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 26167680

約数和(自身を除く): 13478036

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 353, 418, 473, 706, 817, 836, 946, 1412, 1634, 1892, 3268, 3883, 6707, 7766, 8987, 13414, 15179, 15532, 17974, 26828, 30358, 35948, 60716, 73777, 147554, 166969, 288401, 295108, 333938, 576802, 667876, 1153604, 3172411, 6344822, 12689644]

約数ペア:

[(1, 12689644), (2, 6344822), (4, 3172411), (11, 1153604), (19, 667876), (22, 576802), (38, 333938), (43, 295108), (44, 288401), (76, 166969), (86, 147554), (172, 73777), (209, 60716), (353, 35948), (418, 30358), (473, 26828), (706, 17974), (817, 15532), (836, 15179), (946, 13414), (1412, 8987), (1634, 7766), (1892, 6707), (3268, 3883)]