18612828

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 84

約数和(自身を含む): 52700088

約数和(自身を除く): 34087260

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 491, 702, 729, 972, 982, 1053, 1404, 1458, 1473, 1964, 2106, 2916, 2946, 3159, 4212, 4419, 5892, 6318, 6383, 8838, 9477, 12636, 12766, 13257, 17676, 18954, 19149, 25532, 26514, 37908, 38298, 39771, 53028, 57447, 76596, 79542, 114894, 119313, 159084, 172341, 229788, 238626, 344682, 357939, 477252, 517023, 689364, 715878, 1034046, 1431756, 1551069, 2068092, 3102138, 4653207, 6204276, 9306414, 18612828]

約数ペア:

[(1, 18612828), (2, 9306414), (3, 6204276), (4, 4653207), (6, 3102138), (9, 2068092), (12, 1551069), (13, 1431756), (18, 1034046), (26, 715878), (27, 689364), (36, 517023), (39, 477252), (52, 357939), (54, 344682), (78, 238626), (81, 229788), (108, 172341), (117, 159084), (156, 119313), (162, 114894), (234, 79542), (243, 76596), (324, 57447), (351, 53028), (468, 39771), (486, 38298), (491, 37908), (702, 26514), (729, 25532), (972, 19149), (982, 18954), (1053, 17676), (1404, 13257), (1458, 12766), (1473, 12636), (1964, 9477), (2106, 8838), (2916, 6383), (2946, 6318), (3159, 5892), (4212, 4419)]