17988586

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 72

約数和(自身を含む): 36297828

約数和(自身を除く): 18309242

約数列:

[1, 2, 7, 11, 14, 22, 37, 41, 49, 74, 77, 82, 98, 121, 154, 242, 259, 287, 407, 451, 518, 539, 574, 814, 847, 902, 1078, 1517, 1694, 1813, 2009, 2849, 3034, 3157, 3626, 4018, 4477, 4961, 5698, 5929, 6314, 8954, 9922, 10619, 11858, 16687, 19943, 21238, 22099, 31339, 33374, 34727, 39886, 44198, 62678, 69454, 74333, 116809, 148666, 183557, 219373, 233618, 243089, 367114, 438746, 486178, 817663, 1284899, 1635326, 2569798, 8994293, 17988586]

約数ペア:

[(1, 17988586), (2, 8994293), (7, 2569798), (11, 1635326), (14, 1284899), (22, 817663), (37, 486178), (41, 438746), (49, 367114), (74, 243089), (77, 233618), (82, 219373), (98, 183557), (121, 148666), (154, 116809), (242, 74333), (259, 69454), (287, 62678), (407, 44198), (451, 39886), (518, 34727), (539, 33374), (574, 31339), (814, 22099), (847, 21238), (902, 19943), (1078, 16687), (1517, 11858), (1694, 10619), (1813, 9922), (2009, 8954), (2849, 6314), (3034, 5929), (3157, 5698), (3626, 4961), (4018, 4477)]