11989818

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 27256320

約数和(自身を除く): 15266502

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 103, 174, 206, 223, 261, 309, 446, 522, 618, 669, 927, 1338, 1854, 2007, 2987, 4014, 5974, 6467, 8961, 12934, 17922, 19401, 22969, 26883, 38802, 45938, 53766, 58203, 68907, 116406, 137814, 206721, 413442, 666101, 1332202, 1998303, 3996606, 5994909, 11989818]

約数ペア:

[(1, 11989818), (2, 5994909), (3, 3996606), (6, 1998303), (9, 1332202), (18, 666101), (29, 413442), (58, 206721), (87, 137814), (103, 116406), (174, 68907), (206, 58203), (223, 53766), (261, 45938), (309, 38802), (446, 26883), (522, 22969), (618, 19401), (669, 17922), (927, 12934), (1338, 8961), (1854, 6467), (2007, 5974), (2987, 4014)]