15981948

素因数分解:

$2^2\times 3^4\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:584

約数の個数: 60

約数和(自身を含む): 42261912

約数和(自身を除く): 26279964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 107, 108, 162, 214, 321, 324, 428, 461, 642, 922, 963, 1284, 1383, 1844, 1926, 2766, 2889, 3852, 4149, 5532, 5778, 8298, 8667, 11556, 12447, 16596, 17334, 24894, 34668, 37341, 49327, 49788, 74682, 98654, 147981, 149364, 197308, 295962, 443943, 591924, 887886, 1331829, 1775772, 2663658, 3995487, 5327316, 7990974, 15981948]

約数ペア:

[(1, 15981948), (2, 7990974), (3, 5327316), (4, 3995487), (6, 2663658), (9, 1775772), (12, 1331829), (18, 887886), (27, 591924), (36, 443943), (54, 295962), (81, 197308), (107, 149364), (108, 147981), (162, 98654), (214, 74682), (321, 49788), (324, 49327), (428, 37341), (461, 34668), (642, 24894), (922, 17334), (963, 16596), (1284, 12447), (1383, 11556), (1844, 8667), (1926, 8298), (2766, 5778), (2889, 5532), (3852, 4149)]