18291984

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 33133296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 31, 38, 48, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 304, 372, 456, 496, 589, 647, 744, 912, 1178, 1294, 1488, 1767, 1941, 2356, 2588, 3534, 3882, 4712, 5176, 7068, 7764, 9424, 10352, 12293, 14136, 15528, 20057, 24586, 28272, 31056, 36879, 40114, 49172, 60171, 73758, 80228, 98344, 120342, 147516, 160456, 196688, 240684, 295032, 320912, 381083, 481368, 590064, 762166, 962736, 1143249, 1524332, 2286498, 3048664, 4572996, 6097328, 9145992, 18291984]

約数ペア:

[(1, 18291984), (2, 9145992), (3, 6097328), (4, 4572996), (6, 3048664), (8, 2286498), (12, 1524332), (16, 1143249), (19, 962736), (24, 762166), (31, 590064), (38, 481368), (48, 381083), (57, 320912), (62, 295032), (76, 240684), (93, 196688), (114, 160456), (124, 147516), (152, 120342), (186, 98344), (228, 80228), (248, 73758), (304, 60171), (372, 49172), (456, 40114), (496, 36879), (589, 31056), (647, 28272), (744, 24586), (912, 20057), (1178, 15528), (1294, 14136), (1488, 12293), (1767, 10352), (1941, 9424), (2356, 7764), (2588, 7068), (3534, 5176), (3882, 4712)]