19778328

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 56103840

約数和(自身を除く): 36325512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 71, 72, 73, 106, 142, 146, 159, 212, 213, 219, 284, 292, 318, 424, 426, 438, 477, 568, 584, 636, 639, 657, 852, 876, 954, 1272, 1278, 1314, 1704, 1752, 1908, 2556, 2628, 3763, 3816, 3869, 5112, 5183, 5256, 7526, 7738, 10366, 11289, 11607, 15052, 15476, 15549, 20732, 22578, 23214, 30104, 30952, 31098, 33867, 34821, 41464, 45156, 46428, 46647, 62196, 67734, 69642, 90312, 92856, 93294, 124392, 135468, 139284, 186588, 270936, 274699, 278568, 373176, 549398, 824097, 1098796, 1648194, 2197592, 2472291, 3296388, 4944582, 6592776, 9889164, 19778328]

約数ペア:

[(1, 19778328), (2, 9889164), (3, 6592776), (4, 4944582), (6, 3296388), (8, 2472291), (9, 2197592), (12, 1648194), (18, 1098796), (24, 824097), (36, 549398), (53, 373176), (71, 278568), (72, 274699), (73, 270936), (106, 186588), (142, 139284), (146, 135468), (159, 124392), (212, 93294), (213, 92856), (219, 90312), (284, 69642), (292, 67734), (318, 62196), (424, 46647), (426, 46428), (438, 45156), (477, 41464), (568, 34821), (584, 33867), (636, 31098), (639, 30952), (657, 30104), (852, 23214), (876, 22578), (954, 20732), (1272, 15549), (1278, 15476), (1314, 15052), (1704, 11607), (1752, 11289), (1908, 10366), (2556, 7738), (2628, 7526), (3763, 5256), (3816, 5183), (3869, 5112)]