18915204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1861}}^1$

素因数の和:1897

約数の個数: 72

約数和(自身を含む): 55472704

約数和(自身を除く): 36557500

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 1861, 2541, 3388, 3722, 5082, 5583, 7444, 10164, 11166, 13027, 20471, 22332, 26054, 39081, 40942, 52108, 61413, 78162, 81884, 122826, 143297, 156324, 225181, 245652, 286594, 429891, 450362, 573188, 675543, 859782, 900724, 1351086, 1576267, 1719564, 2702172, 3152534, 4728801, 6305068, 9457602, 18915204]

約数ペア:

[(1, 18915204), (2, 9457602), (3, 6305068), (4, 4728801), (6, 3152534), (7, 2702172), (11, 1719564), (12, 1576267), (14, 1351086), (21, 900724), (22, 859782), (28, 675543), (33, 573188), (42, 450362), (44, 429891), (66, 286594), (77, 245652), (84, 225181), (121, 156324), (132, 143297), (154, 122826), (231, 81884), (242, 78162), (308, 61413), (363, 52108), (462, 40942), (484, 39081), (726, 26054), (847, 22332), (924, 20471), (1452, 13027), (1694, 11166), (1861, 10164), (2541, 7444), (3388, 5583), (3722, 5082)]