11989912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 26438400

約数和(自身を除く): 14448488

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 71, 76, 88, 101, 142, 152, 202, 209, 284, 404, 418, 568, 781, 808, 836, 1111, 1349, 1562, 1672, 1919, 2222, 2698, 3124, 3838, 4444, 5396, 6248, 7171, 7676, 8888, 10792, 14342, 14839, 15352, 21109, 28684, 29678, 42218, 57368, 59356, 78881, 84436, 118712, 136249, 157762, 168872, 272498, 315524, 544996, 631048, 1089992, 1498739, 2997478, 5994956, 11989912]

約数ペア:

[(1, 11989912), (2, 5994956), (4, 2997478), (8, 1498739), (11, 1089992), (19, 631048), (22, 544996), (38, 315524), (44, 272498), (71, 168872), (76, 157762), (88, 136249), (101, 118712), (142, 84436), (152, 78881), (202, 59356), (209, 57368), (284, 42218), (404, 29678), (418, 28684), (568, 21109), (781, 15352), (808, 14839), (836, 14342), (1111, 10792), (1349, 8888), (1562, 7676), (1672, 7171), (1919, 6248), (2222, 5396), (2698, 4444), (3124, 3838)]