9978876

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1656

約数の個数: 60

約数和(自身を含む): 27476680

約数和(自身を除く): 17497804

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 684, 1026, 1539, 1621, 2052, 3078, 3242, 4863, 6156, 6484, 9726, 14589, 19452, 29178, 30799, 43767, 58356, 61598, 87534, 92397, 123196, 131301, 175068, 184794, 262602, 277191, 369588, 525204, 554382, 831573, 1108764, 1663146, 2494719, 3326292, 4989438, 9978876]

約数ペア:

[(1, 9978876), (2, 4989438), (3, 3326292), (4, 2494719), (6, 1663146), (9, 1108764), (12, 831573), (18, 554382), (19, 525204), (27, 369588), (36, 277191), (38, 262602), (54, 184794), (57, 175068), (76, 131301), (81, 123196), (108, 92397), (114, 87534), (162, 61598), (171, 58356), (228, 43767), (324, 30799), (342, 29178), (513, 19452), (684, 14589), (1026, 9726), (1539, 6484), (1621, 6156), (2052, 4863), (3078, 3242)]