19968234

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 51057216

約数和(自身を除く): 31088982

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 37, 39, 51, 66, 74, 78, 102, 111, 143, 187, 221, 222, 286, 374, 407, 429, 442, 481, 561, 629, 663, 814, 858, 962, 1122, 1221, 1258, 1326, 1369, 1443, 1887, 2431, 2442, 2738, 2886, 3774, 4107, 4862, 5291, 6919, 7293, 8177, 8214, 10582, 13838, 14586, 15059, 15873, 16354, 17797, 20757, 23273, 24531, 30118, 31746, 35594, 41514, 45177, 46546, 49062, 53391, 69819, 89947, 90354, 106782, 139638, 179894, 195767, 256003, 269841, 302549, 391534, 512006, 539682, 587301, 605098, 768009, 907647, 1174602, 1536018, 1815294, 3328039, 6656078, 9984117, 19968234]

約数ペア:

[(1, 19968234), (2, 9984117), (3, 6656078), (6, 3328039), (11, 1815294), (13, 1536018), (17, 1174602), (22, 907647), (26, 768009), (33, 605098), (34, 587301), (37, 539682), (39, 512006), (51, 391534), (66, 302549), (74, 269841), (78, 256003), (102, 195767), (111, 179894), (143, 139638), (187, 106782), (221, 90354), (222, 89947), (286, 69819), (374, 53391), (407, 49062), (429, 46546), (442, 45177), (481, 41514), (561, 35594), (629, 31746), (663, 30118), (814, 24531), (858, 23273), (962, 20757), (1122, 17797), (1221, 16354), (1258, 15873), (1326, 15059), (1369, 14586), (1443, 13838), (1887, 10582), (2431, 8214), (2442, 8177), (2738, 7293), (2886, 6919), (3774, 5291), (4107, 4862)]