18670428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1783

約数の個数: 72

約数和(自身を含む): 55223168

約数和(自身を除く): 36552740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1723, 1806, 2709, 3446, 3612, 5169, 5418, 6892, 10338, 10836, 12061, 15507, 20676, 24122, 31014, 36183, 48244, 62028, 72366, 74089, 108549, 144732, 148178, 217098, 222267, 296356, 434196, 444534, 518623, 666801, 889068, 1037246, 1333602, 1555869, 2074492, 2667204, 3111738, 4667607, 6223476, 9335214, 18670428]

約数ペア:

[(1, 18670428), (2, 9335214), (3, 6223476), (4, 4667607), (6, 3111738), (7, 2667204), (9, 2074492), (12, 1555869), (14, 1333602), (18, 1037246), (21, 889068), (28, 666801), (36, 518623), (42, 444534), (43, 434196), (63, 296356), (84, 222267), (86, 217098), (126, 148178), (129, 144732), (172, 108549), (252, 74089), (258, 72366), (301, 62028), (387, 48244), (516, 36183), (602, 31014), (774, 24122), (903, 20676), (1204, 15507), (1548, 12061), (1723, 10836), (1806, 10338), (2709, 6892), (3446, 5418), (3612, 5169)]