15998988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 40158720

約数和(自身を除く): 24159732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 47, 57, 76, 94, 114, 141, 188, 228, 282, 564, 893, 1493, 1786, 2679, 2986, 3572, 4479, 5358, 5972, 8958, 10716, 17916, 28367, 56734, 70171, 85101, 113468, 140342, 170202, 210513, 280684, 340404, 421026, 842052, 1333249, 2666498, 3999747, 5332996, 7999494, 15998988]

約数ペア:

[(1, 15998988), (2, 7999494), (3, 5332996), (4, 3999747), (6, 2666498), (12, 1333249), (19, 842052), (38, 421026), (47, 340404), (57, 280684), (76, 210513), (94, 170202), (114, 140342), (141, 113468), (188, 85101), (228, 70171), (282, 56734), (564, 28367), (893, 17916), (1493, 10716), (1786, 8958), (2679, 5972), (2986, 5358), (3572, 4479)]