31418478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19181}}^1$

素因数の和:19209

約数の個数: 48

約数和(自身を含む): 83786976

約数和(自身を除く): 52368498

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 19181, 38362, 57543, 115086, 134267, 172629, 249353, 268534, 345258, 402801, 498706, 748059, 805602, 1208403, 1496118, 1745471, 2244177, 2416806, 3490942, 4488354, 5236413, 10472826, 15709239, 31418478]

約数ペア:

[(1, 31418478), (2, 15709239), (3, 10472826), (6, 5236413), (7, 4488354), (9, 3490942), (13, 2416806), (14, 2244177), (18, 1745471), (21, 1496118), (26, 1208403), (39, 805602), (42, 748059), (63, 498706), (78, 402801), (91, 345258), (117, 268534), (126, 249353), (182, 172629), (234, 134267), (273, 115086), (546, 57543), (819, 38362), (1638, 19181)]