18690984

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1051}}^1$

素因数の和:1095

約数の個数: 96

約数和(自身を含む): 57439200

約数和(自身を除く): 38748216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1051, 1368, 1482, 1976, 2102, 2223, 2964, 3153, 4204, 4446, 5928, 6306, 8408, 8892, 9459, 12612, 13663, 17784, 18918, 19969, 25224, 27326, 37836, 39938, 40989, 54652, 59907, 75672, 79876, 81978, 109304, 119814, 122967, 159752, 163956, 179721, 239628, 245934, 259597, 327912, 359442, 479256, 491868, 519194, 718884, 778791, 983736, 1038388, 1437768, 1557582, 2076776, 2336373, 3115164, 4672746, 6230328, 9345492, 18690984]

約数ペア:

[(1, 18690984), (2, 9345492), (3, 6230328), (4, 4672746), (6, 3115164), (8, 2336373), (9, 2076776), (12, 1557582), (13, 1437768), (18, 1038388), (19, 983736), (24, 778791), (26, 718884), (36, 519194), (38, 491868), (39, 479256), (52, 359442), (57, 327912), (72, 259597), (76, 245934), (78, 239628), (104, 179721), (114, 163956), (117, 159752), (152, 122967), (156, 119814), (171, 109304), (228, 81978), (234, 79876), (247, 75672), (312, 59907), (342, 54652), (456, 40989), (468, 39938), (494, 37836), (684, 27326), (741, 25224), (936, 19969), (988, 18918), (1051, 17784), (1368, 13663), (1482, 12612), (1976, 9459), (2102, 8892), (2223, 8408), (2964, 6306), (3153, 5928), (4204, 4446)]