18985752

素因数分解:

$2^3\times 3^4\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 80

約数和(自身を含む): 53970840

約数和(自身を除く): 34985088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 83, 108, 162, 166, 216, 249, 324, 332, 353, 498, 648, 664, 706, 747, 996, 1059, 1412, 1494, 1992, 2118, 2241, 2824, 2988, 3177, 4236, 4482, 5976, 6354, 6723, 8472, 8964, 9531, 12708, 13446, 17928, 19062, 25416, 26892, 28593, 29299, 38124, 53784, 57186, 58598, 76248, 87897, 114372, 117196, 175794, 228744, 234392, 263691, 351588, 527382, 703176, 791073, 1054764, 1582146, 2109528, 2373219, 3164292, 4746438, 6328584, 9492876, 18985752]

約数ペア:

[(1, 18985752), (2, 9492876), (3, 6328584), (4, 4746438), (6, 3164292), (8, 2373219), (9, 2109528), (12, 1582146), (18, 1054764), (24, 791073), (27, 703176), (36, 527382), (54, 351588), (72, 263691), (81, 234392), (83, 228744), (108, 175794), (162, 117196), (166, 114372), (216, 87897), (249, 76248), (324, 58598), (332, 57186), (353, 53784), (498, 38124), (648, 29299), (664, 28593), (706, 26892), (747, 25416), (996, 19062), (1059, 17928), (1412, 13446), (1494, 12708), (1992, 9531), (2118, 8964), (2241, 8472), (2824, 6723), (2988, 6354), (3177, 5976), (4236, 4482)]