19800185552

素因数分解:

$2^4\times 7^1\times {\mathrm{2693}}^1\times {\mathrm{65647}}^1$

素因数の和:68355

約数の個数: 40

約数和(自身を含む): 43860216576

約数和(自身を除く): 24060031024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2693, 5386, 10772, 18851, 21544, 37702, 43088, 65647, 75404, 131294, 150808, 262588, 301616, 459529, 525176, 919058, 1050352, 1838116, 3676232, 7352464, 176787371, 353574742, 707149484, 1237511597, 1414298968, 2475023194, 2828597936, 4950046388, 9900092776, 19800185552]

約数ペア:

[(1, 19800185552), (2, 9900092776), (4, 4950046388), (7, 2828597936), (8, 2475023194), (14, 1414298968), (16, 1237511597), (28, 707149484), (56, 353574742), (112, 176787371), (2693, 7352464), (5386, 3676232), (10772, 1838116), (18851, 1050352), (21544, 919058), (37702, 525176), (43088, 459529), (65647, 301616), (75404, 262588), (131294, 150808)]