18611271324

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{63131}}^1$

素因数の和:63591

約数の個数: 72

約数和(自身を含む): 49636903680

約数和(自身を除く): 31025632356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 431, 684, 862, 1293, 1724, 2586, 3879, 5172, 7758, 8189, 15516, 16378, 24567, 32756, 49134, 63131, 73701, 98268, 126262, 147402, 189393, 252524, 294804, 378786, 568179, 757572, 1136358, 1199489, 2272716, 2398978, 3598467, 4797956, 7196934, 10795401, 14393868, 21590802, 27209461, 43181604, 54418922, 81628383, 108837844, 163256766, 244885149, 326513532, 489770298, 516979759, 979540596, 1033959518, 1550939277, 2067919036, 3101878554, 4652817831, 6203757108, 9305635662, 18611271324]

約数ペア:

[(1, 18611271324), (2, 9305635662), (3, 6203757108), (4, 4652817831), (6, 3101878554), (9, 2067919036), (12, 1550939277), (18, 1033959518), (19, 979540596), (36, 516979759), (38, 489770298), (57, 326513532), (76, 244885149), (114, 163256766), (171, 108837844), (228, 81628383), (342, 54418922), (431, 43181604), (684, 27209461), (862, 21590802), (1293, 14393868), (1724, 10795401), (2586, 7196934), (3879, 4797956), (5172, 3598467), (7758, 2398978), (8189, 2272716), (15516, 1199489), (16378, 1136358), (24567, 757572), (32756, 568179), (49134, 378786), (63131, 294804), (73701, 252524), (98268, 189393), (126262, 147402)]