18378598

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 35831808

約数和(自身を除く): 17453210

約数列:

[1, 2, 7, 14, 17, 31, 34, 47, 53, 62, 94, 106, 119, 217, 238, 329, 371, 434, 527, 658, 742, 799, 901, 1054, 1457, 1598, 1643, 1802, 2491, 2914, 3286, 3689, 4982, 5593, 6307, 7378, 10199, 11186, 11501, 12614, 17437, 20398, 23002, 24769, 27931, 34874, 42347, 49538, 55862, 77221, 84694, 154442, 173383, 195517, 296429, 346766, 391034, 540547, 592858, 1081094, 1312757, 2625514, 9189299, 18378598]

約数ペア:

[(1, 18378598), (2, 9189299), (7, 2625514), (14, 1312757), (17, 1081094), (31, 592858), (34, 540547), (47, 391034), (53, 346766), (62, 296429), (94, 195517), (106, 173383), (119, 154442), (217, 84694), (238, 77221), (329, 55862), (371, 49538), (434, 42347), (527, 34874), (658, 27931), (742, 24769), (799, 23002), (901, 20398), (1054, 17437), (1457, 12614), (1598, 11501), (1643, 11186), (1802, 10199), (2491, 7378), (2914, 6307), (3286, 5593), (3689, 4982)]