16987216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 36992052

約数和(自身を除く): 20004836

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 173, 272, 304, 323, 346, 361, 646, 692, 722, 1292, 1384, 1444, 2584, 2768, 2888, 2941, 3287, 5168, 5776, 5882, 6137, 6574, 11764, 12274, 13148, 23528, 24548, 26296, 47056, 49096, 52592, 55879, 62453, 98192, 111758, 124906, 223516, 249812, 447032, 499624, 894064, 999248, 1061701, 2123402, 4246804, 8493608, 16987216]

約数ペア:

[(1, 16987216), (2, 8493608), (4, 4246804), (8, 2123402), (16, 1061701), (17, 999248), (19, 894064), (34, 499624), (38, 447032), (68, 249812), (76, 223516), (136, 124906), (152, 111758), (173, 98192), (272, 62453), (304, 55879), (323, 52592), (346, 49096), (361, 47056), (646, 26296), (692, 24548), (722, 23528), (1292, 13148), (1384, 12274), (1444, 11764), (2584, 6574), (2768, 6137), (2888, 5882), (2941, 5776), (3287, 5168)]