17984772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 49655424

約数和(自身を除く): 31670652

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 463, 468, 498, 747, 926, 996, 1079, 1389, 1494, 1852, 2158, 2778, 2988, 3237, 4167, 4316, 5556, 6019, 6474, 8334, 9711, 12038, 12948, 16668, 18057, 19422, 24076, 36114, 38429, 38844, 54171, 72228, 76858, 108342, 115287, 153716, 216684, 230574, 345861, 461148, 499577, 691722, 999154, 1383444, 1498731, 1998308, 2997462, 4496193, 5994924, 8992386, 17984772]

約数ペア:

[(1, 17984772), (2, 8992386), (3, 5994924), (4, 4496193), (6, 2997462), (9, 1998308), (12, 1498731), (13, 1383444), (18, 999154), (26, 691722), (36, 499577), (39, 461148), (52, 345861), (78, 230574), (83, 216684), (117, 153716), (156, 115287), (166, 108342), (234, 76858), (249, 72228), (332, 54171), (463, 38844), (468, 38429), (498, 36114), (747, 24076), (926, 19422), (996, 18057), (1079, 16668), (1389, 12948), (1494, 12038), (1852, 9711), (2158, 8334), (2778, 6474), (2988, 6019), (3237, 5556), (4167, 4316)]