15994884

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 41149920

約数和(自身を除く): 25155036

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 73, 76, 93, 114, 124, 146, 186, 219, 228, 292, 372, 438, 589, 876, 961, 1178, 1387, 1767, 1922, 2263, 2356, 2774, 2883, 3534, 3844, 4161, 4526, 5548, 5766, 6789, 7068, 8322, 9052, 11532, 13578, 16644, 18259, 27156, 36518, 42997, 54777, 70153, 73036, 85994, 109554, 128991, 140306, 171988, 210459, 219108, 257982, 280612, 420918, 515964, 841836, 1332907, 2665814, 3998721, 5331628, 7997442, 15994884]

約数ペア:

[(1, 15994884), (2, 7997442), (3, 5331628), (4, 3998721), (6, 2665814), (12, 1332907), (19, 841836), (31, 515964), (38, 420918), (57, 280612), (62, 257982), (73, 219108), (76, 210459), (93, 171988), (114, 140306), (124, 128991), (146, 109554), (186, 85994), (219, 73036), (228, 70153), (292, 54777), (372, 42997), (438, 36518), (589, 27156), (876, 18259), (961, 16644), (1178, 13578), (1387, 11532), (1767, 9052), (1922, 8322), (2263, 7068), (2356, 6789), (2774, 5766), (2883, 5548), (3534, 4526), (3844, 4161)]